Circumcision: Difference between revisions

Circumcision
Circumcision
	A circumcision performed in central Asia, possibly Turkmenistan c. 1865–1872
ICD-10-PCS	Z41.2
ICD-9-CM	V50.2
MeSH	D002944
MedlinePlus	002998
eMedicine	1015820
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Male circumcision (from Latin circumcidere, meaning "to cut around")^[1] is the surgical removal of the foreskin (prepuce) from the human penis.^[2]^[3]^[4] In a typical procedure, the foreskin is opened and then separated from the glans after inspection. The circumcision device (if used) is placed, and then the foreskin is removed. Topical or locally injected anesthesia may be used to reduce pain and physiologic stress.^[5] For adults, general anesthesia is an option, and the procedure is often performed without a specialized circumcision device. The procedure is most often elected for religious reasons or personal preferences,^[1] but may be indicated for both therapeutic and prophylactic reasons. It is a treatment option for pathological phimosis, refractory balanoposthitis and chronic urinary tract infections (UTIs);^[2]^[6] it is contraindicated in cases of certain genital structure abnormalities or poor general health.^[3]^[6]

The positions of the world's major medical organizations range from considering neonatal circumcision as having a modest health benefit that outweighs small risks to viewing it as having no benefit and significant risks. No major medical organization recommends either universal circumcision for all infant males (aside from the recommendations of the World Health Organization (WHO) for parts of Africa), or banning the procedure.^[7] Ethical and legal questions regarding informed consent and autonomy have been raised over non-therapeutic neonatal circumcision.^[8]^[9]

A 2009 Cochrane meta-analysis of studies done on sexually active men in Africa found that circumcision reduces the infection rate of HIV among heterosexual men by 38–66% over a period of 24 months.^[10] The WHO recommends considering circumcision as part of a comprehensive HIV program in areas with high endemic rates of HIV, such as sub-Saharan Africa,^[11]^[12] where studies have concluded it is cost-effective against HIV.^[11] Circumcision reduces the incidence of HSV-2 infections by 28%,^[13] and is associated with reduced oncogenic HPV prevalence^[a] and a reduced risk of both UTIs and penile cancer,^[5] but routine circumcision is not justified for the prevention of those conditions.^[2]^[17] Studies of its protective effects against other sexually transmitted infections have been inconclusive. A 2010 review of literature worldwide found circumcisions performed by medical providers to have a median complication rate of 1.5% for newborns and 6% for older children, with few severe complications.^[18] Bleeding, infection and the removal of either too much or too little foreskin are the most common complications cited.^[18]^[19] Circumcision does not appear to have a negative impact on sexual function.^[b]

About one-third of males worldwide are circumcised.^[1]^[18] The procedure is most prevalent in the Muslim world and Israel (where it is near-universal), the United States and parts of Southeast Asia and Africa; it is relatively rare in Europe, Latin America, parts of Southern Africa and most of Asia.^[1] The origin of circumcision is not known with certainty; the oldest documentary evidence for it comes from ancient Egypt.^[1] Various theories have been proposed as to its origin, including as a religious sacrifice and as a rite of passage marking a boy's entrance into adulthood.^[23] It is part of religious law in Judaism^[24] and is an established practice in Islam, Coptic Christianity and the Ethiopian Orthodox Church.^[1]^[25]^[26]

Technique

Removal of the foreskin

For infant circumcision, devices such as the Gomco clamp, Plastibell and Mogen clamp are commonly used.^[5] These follow the same basic procedure. First, the amount of foreskin to be removed is estimated. The practitioner opens the foreskin via the preputial orifice to reveal the glans underneath and ensures it is normal before bluntly separating the inner lining of the foreskin (preputial epithelium) from its attachment to the glans. The practitioner then places the circumcision device (this sometimes requires a dorsal slit), which remains until blood flow has stopped. Finally, the foreskin is amputated.^[5] For adults, circumcision is often performed without clamps,^[27] and non-surgical alternatives such as the elastic ring controlled radial compression device are available.^[28]

Pain management

The circumcision procedure causes pain, so the use of anesthesia is advocated.^[5]^[29] Ordinary procedural pain may be managed in pharmacological and non-pharmacological ways. Pharmacological methods, such as localized or regional pain-blocking injections and topical analgesic creams, are safe and effective.^[5]^[30]^[31] The ring block and dorsal penile nerve block (DPNB) are the most effective at reducing pain, and the ring block may be more effective than the DPNB. They are more effective than EMLA (eutectic mixture of local anesthetics) cream, which is more effective than a placebo.^[30]^[31] Topical creams have been found to irritate the skin of low birth weight infants, so penile nerve block techniques are recommended in this group.^[5]

For infants, non-pharmacological methods such as the use of a comfortable, padded chair and a sucrose or non-sucrose pacifier are more effective at reducing pain than a placebo,^[31] but the American Academy of Pediatrics (AAP) states that such methods are insufficient alone and should be used to supplement more effective techniques.^[5] A quicker procedure reduces duration of pain; use of the Mogen clamp was found to result in a shorter procedure time and less pain-induced stress than the use of the Gomco clamp or the Plastibell.^[31] The available evidence does not indicate that post-procedure pain management is needed.^[5] For adults, general anesthesia is an option,^[32] and the procedure requires four to six weeks of abstinence from masturbation or intercourse to allow the wound to heal.^[33]

Indications and contraindications

Routine or elective

Neonatal circumcision is often elected for non-medical reasons, such as for religious beliefs or for personal preferences possibly driven by societal norms.^[6] Outside the parts of Africa with high prevalence of HIV/AIDS, the positions of the world's major medical organizations on non-therapeutic neonatal circumcision range from considering it as having a modest net health benefit that outweighs small risks to viewing it as having no benefit with significant risks for harm. No major medical organization recommends non-therapeutic neonatal circumcision, and no major medical organization calls for banning it either. The Royal Dutch Medical Association, which expresses the strongest opposition to routine neonatal circumcision, does not call for the practice to be made illegal out of their concern that parents who insist on the procedure would turn to poorly trained practitioners instead of medical professionals. This argument to keep the procedure within the purview of medical professionals is found across all major medical organizations. In addition, the organizations advise medical professionals to yield to some degree to parents' preferences, commonly based in cultural or religious views, in the decision to agree to circumcise.^[7]

Owing to the HIV/AIDS epidemic there, sub-Saharan Africa is a special case. The finding that circumcision significantly reduces female-to-male HIV transmission has prompted medical organizations serving the affected communities to promote circumcision as an additional method of controlling the spread of HIV.^[7] The World Health Organization and UNAIDS (2007) recommend circumcision as part of a comprehensive program for prevention of HIV transmission in areas with high endemic rates of HIV.^[12]

Medical indications

Circumcision may be medically indicated in children for pathological phimosis, refractory balanoposthitis and chronic, recurrent urinary tract infections (UTIs) in males who are chronically susceptible to them.^[2]^[6] The World Health Organization (WHO) promotes circumcision as a preventive measure for sexually active men in populations at high risk for HIV.^[12]

Contraindications

Circumcision is contraindicated in infants with certain genital structure abnormalities, such as a misplaced urethral opening (as in hypospadias and epispadias), curvature of the head of the penis (chordee), or ambiguous genitalia, because the foreskin may be needed for reconstructive surgery. Circumcision is contraindicated in premature infants and those who are not clinically stable and in good health.^[3]^[6]^[33] If an individual, child or adult, is known to have or has a family history of serious bleeding disorders (hemophilia), it is recommended that the blood be checked for normal coagulation properties before the procedure is attempted.^[6]^[33]

Effects

Sexually transmitted diseases

Human immunodeficiency virus

There is strong evidence that circumcision reduces the risk of HIV infection in heterosexual men in high-risk populations.^[10]^[34]^[35] Evidence among heterosexual men in sub-Saharan Africa shows a decreased risk of between 38 percent and 66 percent over two years,^[10] and in this population studies rate it cost effective.^[11] Whether it is of benefit in developed countries is undetermined.^[36]

There are plausible explanations based on human biology for how circumcision can decrease the likelihood of female-to-male HIV transmission. The superficial skin layers of the penis contain Langerhans cells, which are targeted by HIV; removing the foreskin reduces the number of these cells. When an uncircumcised penis is erect during intercourse, any small tears on the inner surface of the foreskin come into direct contact with the vaginal walls, providing a pathway for transmission. When an uncircumcised penis is flaccid, the pocket between the inside of the foreskin and the head of the penis provides an environment conducive to pathogen survival; circumcision eliminates this pocket. Some experimental evidence has been provided to support these theories.^[37]

The WHO and the Joint United Nations Programme on HIV/AIDS (UNAIDS) state that male circumcision is an efficacious intervention for HIV prevention, but should be carried out by well trained medical professionals and under conditions of informed consent.^[1]^[12]^[38] The WHO has judged circumcision to be a cost-effective public health intervention against the spread of HIV in Africa, although not necessarily more cost-effective than condoms.^[1] The Centers for Disease Control and Prevention (CDC) has calculated that newborn circumcision is cost-effective against HIV in the US.^[39] The joint WHO/UNAIDS recommendation also notes that circumcision only provides partial protection from HIV and should not replace known methods of HIV prevention.^[12]

The available evidence does not indicate that circumcision provides HIV protection for heterosexual women.^[5] Data are lacking regarding the effect circumcision may have on the transmission rate of men who engage in anal sex with a female partner.^[38]^[40] It is undetermined whether circumcision benefits men who have sex with men.^[41]^[42]

Human papillomavirus

Human papillomavirus (HPV) is the most commonly transmitted sexually transmitted disease, affecting both men and women. While most infections are asymptomatic and are cleared by the immune system, some types of the virus cause genital warts, and other types, if untreated, cause various forms of cancer, including cervical cancer and penile cancer. Genital warts and cervical cancer are the two most common problems resulting from HPV.^[43]

Circumcision is associated with a reduced prevalence of oncogenic types of HPV infection, meaning that a randomly selected circumcised man is less likely to be found infected with cancer-causing types of HPV than an uncircumcised man.^[a] It also decreases the likelihood of multiple infections.^[16] No strong evidence indicates that it reduces the rate of new HPV infection,^[14]^[15]^[16] but the procedure is associated with increased clearance of the virus by the body,^[14]^[16] which can account for the finding of reduced prevalence.^[16]

Although genital warts are caused by a type of HPV, there is no statistically significant relationship between being circumcised and the presence of genital warts.^[14]^[15]

Other infections

Studies evaluating the effect of circumcision on the incidence of other sexually transmitted infections have reached conflicting conclusions. A 2006 meta-analysis found that circumcision was associated with lower rates of syphilis, chancroid and possibly genital herpes.^[44] A 2010 review of clinical trial data found that circumcision reduced the incidence of HSV-2 (herpes simplex virus, type 2) infections by 28%. The researchers found mixed results for protection against trichomonas vaginalis and chlamydia trachomatis and no evidence of protection against gonorrhea or syphilis.^[13] Among men who have sex with men, reviews have found poor evidence for protection against sexually transmitted infections other than HIV,^[41]^[45] with the possible exception of syphilis.^[41]

Phimosis, balanitis and balanoposthitis

Phimosis is the inability to retract the foreskin over the glans penis. At birth, the foreskin cannot be retracted due to adhesions between the foreskin and glans, and this is considered normal (physiological phimosis). Over time, the foreskin naturally separates from the glans, and a majority of boys are able to retract the foreskin by age four. If the inability to do so becomes problematic (pathological phimosis), which is commonly due to the skin disease balanitis xerotica obliterans (BXO), circumcision is the preferred treatment option.^[2]^[46] The procedure may also be used prophylactically to prevent the development of phimosis.^[6]

An inflammation of the glans penis and foreskin is called balanoposthitis; that affecting the glans alone is called balanitis.^[47]^[48] Most cases of these conditions occur in uncircumcised males,^[49] affecting 4–11% of that group.^[50] The moist, warm space underneath the foreskin is thought to facilitate the growth of pathogens, particularly when hygiene is poor. Yeasts, especially Candida albicans, are the most common penile infection and are rarely identified in samples taken from circumcised males.^[49] Both conditions are usually treated with topical antibiotics (metronidazole cream) and antifungals (clotrimazole cream) or low-potency steroid creams.^[47]^[48] Circumcision is a treatment option for refractory or recurrent balanoposthitis, but in recent years the availability of these other treatments have made it less necessary.^[47]^[48]

Urinary tract infections

A UTI affects parts of the urinary system including the urethra, bladder, and kidneys. There is about a 1% risk of UTIs in boys under two years of age, and the majority of incidents occur in the first year of life. There is good but not ideal evidence that circumcision reduces the incidence of UTIs in boys under two years of age, and there is fair evidence that the reduction in incidence is by a factor of 3–10 times,^[5]^[51] but prevention of UTIs does not justify routine use of the procedure.^[2] Circumcision is most likely to benefit boys who have a high risk of UTIs due to anatomical defects,^[5]^[51] and may be used to treat recurrent UTIs.^[2]

There is a plausible biological explanation for the reduction in UTI risk after circumcision. The orifice through which urine passes at the tip of the penis (the urinary meatus) hosts more urinary system disease-causing bacteria in uncircumcised boys than in circumcised boys, especially in those under six months of age. As these bacteria are a risk factor for UTIs, circumcision may reduce the risk of UTIs through a decrease in the bacteria population.^[5]^[52]

Cancers

Circumcision has a protective effect against the risks of penile cancer in men, and cervical cancer in the female sexual partners of heterosexual men. Penile cancer is rare, with about 1 new case per 100,000 people per year in developed countries, and higher incidence rates per 100,000 in sub-Saharan Africa (for example, 1.6 in Zimbabwe, 2.7 in Uganda and 3.2 in Swaziland).^[53] Penile cancer development can be detected in the carcinoma in situ (CIS) cancerous precursor stage and at the more advanced invasive squamous cell carcinoma stage.^[5] Childhood or adolescent circumcision is associated with a reduced risk of invasive squamous cell carcinoma in particular.^[5]^[53] There is an association between adult circumcision and an increased risk of invasive penile cancer; this is believed to be from men being circumcised as a treatment for penile cancer or a condition that is a precursor to cancer rather than a consequence of circumcision itself.^[53] Penile cancer has been observed to be nearly eliminated in populations of males circumcised neonatally.^[50]

Important risk factors for penile cancer include phimosis and HPV infection, both of which are mitigated by circumcision.^[53] The mitigating effect circumcision has on the risk factor introduced by the possibility of phimosis is secondary, in that the removal of the foreskin eliminates the possibility of phimosis. This can be inferred from study results that show uncircumcised men with no history of phimosis are equally likely to have penile cancer as circumcised men.^[5]^[53] Circumcision is also associated with a reduced prevalence of cancer-causing types of HPV in men^[16] and a reduced risk of cervical cancer (which is caused by a type of HPV) in female partners of men.^[6] Because penile cancer is rare (and may get more rare with increasing HPV vaccination rates), and circumcision has risks, the practice is not considered to be valuable solely as a prophylactic measure against penile cancer in the United States.^[5]^[17]^[50]

Adverse effects

Neonatal circumcision is generally safe when done by an experienced practitioner.^[54] The most common acute complications are bleeding, infection and the removal of either too much or too little foreskin.^[5]^[19] These complications occur in less than 1% of procedures, and constitute the vast majority of all circumcision complications.^[19] A specific complication rate is difficult to determine due to scant data on complications and inconsistencies in their classification.^[5] Complication rates are greater when the procedure is performed by an inexperienced operator, in unsterile conditions, or when the child is at an older age.^[18]

Significant acute complications happen rarely,^[5]^[18] occurring in about 1 in 500 newborn procedures in the United States.^[5] Severe to catastrophic complications are sufficiently rare that they are reported only as individual case reports.^[5] There is an estimated death rate of 1 infant in 500,000 procedures.^[19]

Circumcision does not appear to decrease the sensitivity of the penis, harm sexual function or reduce sexual satisfaction.^[b] The Royal Dutch Medical Association's 2010 Viewpoint mentions that "complications in the area of sexuality" have been reported.^[55]

Prevalence

Circumcision is probably the world's most widely performed procedure.^[56] Approximately one-third of males worldwide are circumcised, most often for reasons other than medical indication.^[1]^[18] It is commonly practiced between infancy and the early twenties.^[1] The WHO estimated in 2007 that 664,500,000 males aged 15 and over are circumcised (30% global prevalence), almost 70% of whom are Muslim.^[1] Circumcision is most prevalent in the Muslim world, Israel, South Korea, the United States and parts of Southeast Asia and Africa. It is relatively rare in Europe, Latin America, parts of Southern Africa and Oceania and most of Asia. Prevalence is near-universal in the Middle East and Central Asia.^[1]^[57] Non-religious circumcision in Asia, outside of the Republic of Korea and the Philippines, is rare,^[1] and prevalence is generally low (less than 20%) across Europe.^[1]^[58] Estimates for individual countries include Spain^[59] and Colombia less than 2%; Brazil 7%;^[59] Taiwan 9%;^[60] Thailand 13%;^[59] and Australia 58.7%.^[61] Prevalence in the United States and Canada is estimated at 75% and 30% respectively.^[1] Prevalence in Africa varies from less than 20% in some southern African countries to near universal in North and West Africa.^[57]

Medical organizations can affect the neonatal circumcision rate of a country by influencing whether the costs of the circumcision are borne by the parents or covered by insurance or a national health care system. Policies that require the costs to be paid by the parents yield lower neonatal circumcision rates. For example, in Great Britain, after the National Health Service did not cover the costs of the procedure, circumcision rates declined, and in the United States, the individual states where insurance or Medicaid covers the costs have high neonatal circumcision rates. Changes to policy are driven by the results of new research, moderated by the politics and culture of the communities.^[7]

History

Circumcision is the world's oldest planned surgical procedure, suggested by anatomist and hyperdiffusionist historian Grafton Elliot Smith to be over 15,000 years old, pre-dating recorded history. There is no firm consensus as to how it came to be practiced worldwide. One theory is that it began in one geographic area and spread from there; another is that several different cultural groups began its practice independently. In his 1891 work History of Circumcision, physician Peter Charles Remondino suggested that it began as a less severe form of emasculating a captured enemy: penectomy or castration would likely have been fatal, while some form of circumcision would permanently mark the defeated yet leave him alive to serve as a slave.^[23]^[62]

The history of the migration and evolution of the practice of circumcision is followed mainly through the cultures and peoples in two separate regions. In the lands south and east of the Mediterranean, starting with Sudan and Ethiopia, the procedure was practiced by the ancient Egyptians and the Semites, and then by the Jews and Muslims, with whom the practice traveled to and was adopted by the Bantu Africans. In Oceania, circumcision is practiced by the Australian Aborigines and Polynesians.^[62] There is also evidence that it was practiced in the Americas, but little detail is available about its history.^[23]^[56]

Middle East, Africa and Europe

File:Egypt circ.jpg

Colored drawing of Ankh-Mahor tomb carving (2400–2300 BCE) depicting the circumcision of an adult male (left), Saqqara, Egypt

Evidence suggests that circumcision was practiced in the Arabian peninsula by the 4th millennium BCE, when the Sumerians and the Semites moved into the area that is modern-day Iraq.^[56] The earliest historical record of circumcision comes from Egypt, in the form of an image of the circumcision of an adult carved into the tomb of Ankh-Mahor at Saqqara, dating to about 2400–2300 BCE. Circumcision was done by the Egyptians possibly for hygienic reasons, but also was part of their obsession with purity and was associated with spiritual and intellectual development. No well-accepted theory explains the significance of circumcision to the Egyptians, but it appears to have been endowed with great honor and importance as a rite of passage into adulthood, performed in a public ceremony emphasizing the continuation of family generations and fertility. It may have been a mark of distinction for the elite: the Egyptian Book of the Dead describes the sun god Ra as having circumcised himself.^[23]^[62]

Circumcision features prominently in the Hebrew Bible. The narrative in Genesis chapter 17, considered to have taken place around 1800 BCE, describes the circumcision of Abraham and his relatives and slaves, making him the first named individual to undergo the procedure. In the same chapter, Abraham's descendants are commanded to circumcise their sons on the eighth day of life. Many generations later, Moses (traditionally calculated to have lived around 1300 BCE) was raised by the Egyptian elite, so circumcision was doubtless familiar to him. For the Jews of the time, circumcision was not as much a spiritual act as it was a physical sign of their covenant with God, and a prerequisite for the fulfillment of the commandment to produce offspring. In addition to proposing that circumcision was taken up by the Jews purely as a religious mandate, scholars have suggested that Judaism's patriarchs and their followers adopted circumcision to make penile hygiene easier in hot, sandy climates; as a rite of passage into adulthood; or as a form of blood sacrifice.^[56]^[62]^[63]

Alexander the Great conquered the Middle East in the 4th century BCE, and in the following centuries ancient Greek cultures and values came to the Middle East. The Greeks abhorred circumcision, making life for circumcised Jews living among the Greeks (and later the Romans) very difficult. Antiochus Epiphanes outlawed circumcision, as did Hadrian, which helped cause the Bar Kokhba revolt. During this period in history, Jewish circumcision called for the removal of only a part of the prepuce, and some Hellenized Jews attempted to look uncircumcised by stretching the extant parts of their foreskins. This was considered by the Jewish leaders to be a serious problem, and during the 2nd century CE they changed the requirements of Jewish circumcision to call for the complete removal of the foreskin, emphasizing the Jewish view of circumcision as intended to be not just the fulfillment of a Biblical commandment but also an essential and permanent mark of membership in a people.^[62]^[63]

A narrative in the Christian Gospel of Luke makes a brief mention of the circumcision of Jesus, but the subject of physical circumcision itself is not part of the received teachings of Jesus. Paul the Apostle reinterpreted circumcision as a spiritual concept, arguing the physical one to be no longer necessary. The teaching that physical circumcision was unnecessary for membership in a divine covenant was instrumental in the separation of Christianity from Judaism. Although it is not mentioned in the Quran (early 6th century CE), circumcision is considered essential to Islam, and it is nearly universally performed among Muslims. The practice of circumcision spread across the Middle East, North Africa and Southern Europe with Islam.^[64]

The practice of circumcision is thought to have been brought to the Bantu-speaking tribes of Africa by either the Jews after one of their many expulsions from European countries, or by Muslim Moors escaping after the 1492 conquest of Spain. In the second half of the 1st millennium CE, inhabitants from the North East of Africa moved south and encountered groups from Arabia, the Middle East and West Africa. These people moved south and formed what is known today as the Bantu. Bantu tribes were observed to be upholding what was described as Jewish law, including circumcision, in the 16th century. Circumcision and elements of Jewish dietary restrictions are still found among Bantu tribes.^[56]

Aboriginals

Compared to the available history of circumcision in the Middle East, there is little verifiable evidence for its history among the Aboriginal Australians and Polynesians. What is known comes from their oral histories and accounts of missionaries and explorers. For Aboriginal Australians and Polynesians, circumcision likely started as a blood sacrifice and a test of bravery, and became an initiation rite with attendant instruction in manhood in more recent centuries. The removal of the foreskin was done with seashells, and it is theorized that the bleeding was stopped with eucalyptus smoke.^[56]^[65]

Some groups in the Americas are known to have a history of circumcision. Christopher Columbus found circumcision in practice by the native Americans. It was also practiced by the Incas, Aztecs and Mayans. It probably started among South American tribes as a blood sacrifice or ritual mutilation to test bravery and endurance, and its use later evolved into a rite of initiation.^[56]

Modern times

Circumcision has only been thought of as a common medical procedure since late Victorian times. In 1870, the influential orthopedic surgeon Lewis Sayre, a founder of the American Medical Association, began using circumcision as a purported cure for several cases of young boys presenting with paralysis or significant gross motor problems. He thought the procedure ameliorated such problems based on a "reflex neurosis" theory of disease, with the understanding that a tight foreskin inflamed the nerves and caused systemic problems. The use of circumcision to promote good health also fit in with the germ theory of disease, which saw validation during the same time period: the foreskin was seen as harboring infection-causing smegma (a mixture of shed skin cells and oils). Sayre published works on the subject and promoted it energetically in speeches. Contemporary physicians picked up on Sayre's new treatment, which they believed could prevent or cure a wide-ranging array of medical problems and social ills, including masturbation (considered by the Victorians to be a serious problem), syphilis, epilepsy, hernia, headache, clubfoot, alcoholism and gout. Its popularity spread with publications such as Peter Charles Remondino's History of Circumcision. By the turn of the century, in both America and Great Britain, infant circumcision was nearly universally recommended.^[23]^[66]

After the end of World War II, Britain moved to a nationalized health care system, and so looked to ensure that each medical procedure covered by the new system was cost-effective. Douglas Gairdner's 1949 article "The Fate of the Foreskin" argued persuasively that the evidence available at that time showed that the risks outweighed the known benefits. The procedure was not covered by the national health care system, and circumcision rates dropped in Britain and in the rest of Europe. In the 1970s, national medical associations in Australia and Canada issued recommendations against routine infant circumcision, leading to drops in the rates of both of those countries. In the United States, the American Academy of Pediatrics has, over the decades, issued a series of policy statements regarding circumcision, sometimes positive and sometimes negative.^[23]^[66]

An association between circumcision and reduced heterosexual HIV infection rates was suggested in 1986.^[23] Experimental evidence was needed to establish a causal relationship, so three randomized controlled trials were commissioned as a means to reduce the effect of any confounding factors.^[67] Trials took place in South Africa, Kenya and Uganda.^[10] All three trials were stopped early by their monitoring boards on ethical grounds, because those in the circumcised group had a lower rate of HIV contraction than the control group.^[10] Subsequently, the World Health Organization promoted circumcision in high-risk populations as part of an overall program to reduce the spread of HIV,^[12] although some have challenged the validity of the African randomized controlled trials, prompting a number of researchers to question the effectiveness of circumcision as an HIV prevention strategy.^[68]^[69]^[70] The Male Circumcision Clearinghouse website was formed by WHO, UNAIDS, FHI and AVAC to provide current evidence-based guidance, information and resources to support the delivery of safe male circumcision services in countries that choose to scale up the procedure as one component of comprehensive HIV prevention services.^[71]^[72]

Society and culture

Cultures and religions

In some cultures, males must be circumcised shortly after birth, during childhood or around puberty as part of a rite of passage. Circumcision is commonly practiced in the Jewish and Islamic faiths.

Judaism

Circumcision is very important to Judaism, with over 90% of adherents having the procedure performed as a religious obligation. The basis for its observance is found in the Torah of the Hebrew Bible, in Genesis chapter 17, in which a covenant of circumcision is made with Abraham and his descendants. Jewish circumcision is part of the brit milah ritual, to be performed by a specialist ritual circumciser (a mohel) on the eighth day of a newborn son's life (with certain exceptions for poor health). Jewish law requires that the circumcision leave the glans bare when the penis is flaccid. Converts to Judaism must also be circumcised; those who are already circumcised undergo a symbolic circumcision ritual. Circumcision is not required by Judaism for one to be considered Jewish, but adherents foresee serious negative spiritual consequences if it is neglected.^[24]^[73]

Islam

Although there is debate within Islam over whether it is a religious requirement, circumcision (called khitan) is practiced nearly universally by Muslim males. Islam bases its practice of circumcision on the Genesis 17 narrative, the same Biblical chapter referred to by Jews. The procedure is not mentioned in the Quran, but rather adherents believe it is a tradition established by Islam's prophet Muhammad directly (following Abraham), and so its practice is considered a sunnah (prophet's tradition). For Muslims, circumcision is a matter of cleanliness, purification and control over one's baser self (nafs). There is no agreement across the many Islamic communities about the age at which circumcision should be performed. It may be done from soon after birth up to about age 15, with it most often performed at around six to seven years of age. The timing can correspond with the boy's completion of his recitation of the whole Quran, with a coming-of-age event such as taking on the responsibility of daily prayer or betrothal. Circumcision may be celebrated with an associated family or community event. Circumcision is recommended for, but is not required of, converts to Islam.^[26]^[74]^[75]

Christianity

The New Testament chapter Acts 15 records that Christianity does not require circumcision; Christianity does not forbid it either. In 1442, the leadership of the Catholic Church declared that circumcision was not necessary. Coptic Christians practice circumcision as a rite of passage.^[1]^[25]^[76]^[77] The Ethiopian Orthodox Church calls for circumcision, with near-universal prevalence among Orthodox men in Ethiopia.^[1] In South Africa, some Christian churches disapprove of the practice, while others require it of their members.^[1]

African cultures

Certain African cultural groups, such as the Yoruba and Igbo of Nigeria, customarily circumcize their infant sons. The procedure is also practiced by some cultural groups or individual family lines in the Sudan, Zaire, Uganda and in southern Africa. For some of these groups, circumcision appears to be purely cultural, done with no particular religious significance or intention to distinguish members of a group. For others, circumcision might be done for purification, or it may be interpreted as a mark of subjugation. Among these groups, even when circumcision is done for reasons of tradition, it is often done in hospitals.^[78]

Australian cultures

Some Australian Aboriginies use circumcision as a test of bravery and self-control as a part of a rite of passage into manhood, which results in full societal and ceremonial membership. It may be accompanied by body scarification and the removal of teeth, and may be followed later by penile subincision. Circumcision is one of many trials and ceremonies required before a youth is considered to have become knowledgeable enough to maintain and pass on the cultural traditions. During these trials, the maturing youth bonds in solidarity with the men. Circumcision is also strongly associated with a man's family, and it is part of the process required to prepare a man to take a wife and produce his own family.^[78]

Ethical and legal issues

There is a long-running and vigorous debate over ethical concerns regarding circumcision, particularly neonatal circumcision for reasons other than intended direct medical benefit. There are three parties involved in the decision to circumcise a minor: the minor as the patient, the parents (or other guardians) and the physician. The physician is bound under the ethical principles of beneficence (promoting well-being) and non-maleficence ("first, do no harm"), and so is charged with the responsibility to promote the best interests of the patient while minimizing unnecessary harms. Those involved must weigh the factors of what is in the best interest of the minor against the potential harms of the procedure.^[8]

With a newborn involved, the decision is made more complex due the principles of respect for autonomy and consent, as a newborn cannot understand or engage in a logical discussion of his own values and best interests.^[8]^[9] A mentally more mature child can understand the issues involved to some degree, and the physician and parents may elicit input from the child and weigh it appropriately in the decision-making process, although the law may not treat such input as legally informative. Ethicists and legal theorists also state that it is questionable for parents to make a decision for the child that precludes the child from making a different decision for himself later. Such a question can be raised for the decision by the parents either to circumcise or not to circumcise the child.^[8]

Generally, circumcision on a minor is not ethically controversial or legally questionable when there is a clear and pressing medical indication for which circumcision is the accepted best practice to resolve. Conditions such as severe phimosis or a preputial tumor are normally treated with circumcision. Where circumcision is the chosen intervention, the physician has an ethical responsibility to ensure the procedure is performed competently and safely to minimize potential harms.^[8]^[9]

Societally, circumcision is often considered for reasons other than medical need. Public health advocates of circumcision consider it to be a net benefit overall, and therefore feel increasing the circumcision rate to be an ethical imperative. They recommend performing the procedure during the neonatal period, when it is less expensive and has a lower risk of complications.^[9] While studies show there is a modest epidemiological benefit to circumcision, critics argue that the number of circumcisions that would have be performed would yield an overall negative public health outcome due to the resulting number of complications or other negative effects (such as pain). Pinto (2012) writes "sober proponents and detractors of circumcision agree that there is no overwhelming medical evidence to support either side."^[9] This type of cost-benefit analysis is highly dependent on the kinds and frequencies of health problems in the population under discussion and how circumcision affects those health problems.^[8]

Parents are assumed to have the child's best interests in mind. Ethically, it is imperative that the medical practitioner inform the parents about the benefits and risks of the procedure and obtain informed consent before performing it. Practically, however, many parents come to a decision about circumcising the child before he is born, and a discussion of the benefits and risks of the procedure with a physician has not been shown to have a significant effect on the decision. Some parents request to have their newborn or older child circumcised for non-theraeputic reasons, such as the parents' desires to adhere to family tradition, cultural norms or religious beliefs. In considering such a request, the physician may consider (in addition to any potential medical benefits and harms) such non-medical factors in determining the child's best interests and may ethically perform the procedure. Equally, without a clear medical benefit relative to the potential harms, a physician may take the ethical position that non-medical factors do not contribute enough as benefits to outweigh the potential harms and refuse the perform the procedure. Medical organization such as the British Medical Association state that their member physicians are not obligated to perform the procedure in such situations.^[8]^[9]

Economic considerations

The cost-effectiveness of circumcision has been studied to determine whether a policy of circumcising all newborns or a policy of promoting and providing inexpensive or free access to circumcision for all adult men who choose it would result in lower overall societal healthcare costs. As HIV/AIDS is an incurable disease that is expensive to manage, significant effort has been spent studying the cost-effectiveness of circumcision to reduce its spread in parts of Africa that have a relatively high infection rate and low circumcision prevalence.^[22] Several analyses have concluded that circumcision programs for adult men in Africa are cost-effective and in some cases are cost-saving.^[11] In Rwanda, circumcision has been found to be cost-effective across a wide range of age groups from newborn to adult,^[15]^[79] with the greatest savings achieved when the procedure is performed in the newborn period due to the lower cost per procedure and greater timeframe for HIV infection protection.^[36]^[79] Circumcision for the prevention of HIV transmission in adults has also been found to be cost-effective in South Africa, Kenya and Uganda, with cost savings estimated in the billions of US dollars over 20 years.^[22] Hankins et al. (2011) estimated that a $1.5 billion investment in circumcision for adults in 13 high-priority African countries would yield $16.5 billion in savings.^[80]

The overall cost-effectiveness of neonatal circumcision has also been studied in the United States, which has a significantly different cost setting from Africa in areas such as public health infrastructure, availability of medications, and medical technology and the willingness to use it.^[81] A study by the CDC suggests that newborn circumcision would be societally cost-effective in the United States based on circumcision's efficacy against the heterosexual transmission of HIV alone, without considering any other cost benefits.^[5] The American Academy of Pediatrics (2012) recommends that neonatal circumcision in the United States be covered by third-party payers such as Medicaid and insurance.^[5] A Johns Hopkins study (2012) that considered reported benefits of circumcision such as reduced risks from HIV, HPV, HSV-2 and UTIs calculated that if the circumcision rate in the United States were to drop from 55% to 10% (the rate in Europe), it would "increase lifetime health care costs by $407 per male and $43 per female."^[82] The cost of the procedure is more expensive for an older male than a newborn.^[20]

Notes

^ ^a ^b For "Circumcision is associated with reduced HPV prevalence," please see references: ^[14]^[15]^[16]
^ ^a ^b For "Circumcision does not appear to have a negative impact on sexual function," please see references: ^[5]^[20]^[21]^[22]

References

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r "Male circumcision: Global trends and determinants of prevalence, safety and acceptability" (PDF). World Health Organization. 2007.
^ ^a ^b ^c ^d ^e ^f ^g Lissauer T, Clayden G (2011). Illustrated Textbook of Paediatrics, Fourth edition. Elsevier. pp. 352–353. ISBN 978-0-7234-3565-5. {{cite book}}: Unknown parameter |month= ignored (help)
^ ^a ^b ^c Rudolph C, Rudolph A, Lister G, First L, Gershon A (18 March 2011). Rudolph's Pediatrics, 22nd Edition. McGraw-Hill Companies, Incorporated. p. 188. ISBN 978-0-07-149723-7.{{cite book}}: CS1 maint: multiple names: authors list (link)
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^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y
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- American Academy of Pediatrics Task Force on Circumcision (2012). "Policy Statement". Pediatrics. 130 (3): 585–586. doi:10.1542/peds.2012-1989. ISSN 0031-4005. PMID 22926180.
- American Academy of Pediatrics Task Force on Circumcision (2012). "Technical Report". Pediatrics. 130 (3): e756–e785. doi:10.1542/peds.2012-1990. ISSN 0031-4005. PMID 22926175.
^ ^a ^b ^c ^d ^e ^f ^g ^h Hay W, Levin M (25 June 2012). Current Diagnosis and Treatment Pediatrics 21/E. McGraw Hill Professional. pp. 18–19. ISBN 978-0-07-177971-5.
^ ^a ^b ^c ^d Bolnick (2012), ch. 1, Current Circumcision Trends and Guidelines, pp. 3-8
^ ^a ^b ^c ^d ^e ^f ^g Caga-anan EC, Thomas AJ, Diekema DS, Mercurio MR, Adam MR (8 September 2011). Clinical Ethics in Pediatrics: A Case-Based Textbook. Cambridge University Press. p. 43. ISBN 978-0-521-17361-2.{{cite book}}: CS1 maint: multiple names: authors list (link)
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Bibliography

Bolnick D A, Koyle M, Yosha A (2012). Surgical Guide to Circumcision. Springer. ISBN 978-1-4471-2857-1. {{cite book}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
Gollaher D (2001). Circumcision: A History Of The World's Most Controversial Surgery. Basic Books. ISBN 978-0-465-02653-1. {{cite book}}: Unknown parameter |month= ignored (help)

External links

Videos of infant circumcision: using a Plastibell, a Gomco clamp and a Mogen clamp (all from Stanford Medical School)

[hpv_prevalence-17] For "Circumcision is associated with reduced HPV prevalence," please see references: ^[14]^[15]^[16]

[sex_effects-24] For "Circumcision does not appear to have a negative impact on sexual function," please see references: ^[5]^[20]^[21]^[22]

[WHO_2007_GTDPSA-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r "Male circumcision: Global trends and determinants of prevalence, safety and acceptability" (PDF). World Health Organization. 2007.

[lissauer_2012-2] ^ ^a ^b ^c ^d ^e ^f ^g Lissauer T, Clayden G (2011). Illustrated Textbook of Paediatrics, Fourth edition. Elsevier. pp. 352–353. ISBN 978-0-7234-3565-5. {{cite book}}: Unknown parameter |month= ignored (help)

[rudolph_2011-3] Rudolph C, Rudolph A, Lister G, First L, Gershon A (18 March 2011). Rudolph's Pediatrics, 22nd Edition. McGraw-Hill Companies, Incorporated. p. 188. ISBN 978-0-07-149723-7.{{cite book}}: CS1 maint: multiple names: authors list (link)

[sawyer_2011-4] Sawyer S (2011). Pediatric Physical Examination & Health Assessment. Jones & Bartlett Publishers. pp. 555–556. ISBN 978-1-4496-7600-1. {{cite book}}: Unknown parameter |month= ignored (help)

[AAP_2012-5] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y American Academy of Pediatrics Task Force on Circumcision (2012)
American Academy of Pediatrics Task Force on Circumcision (2012). "Policy Statement". Pediatrics. 130 (3): 585–586. doi:10.1542/peds.2012-1989. ISSN 0031-4005. PMID 22926180.

American Academy of Pediatrics Task Force on Circumcision (2012). "Technical Report". Pediatrics. 130 (3): e756–e785. doi:10.1542/peds.2012-1990. ISSN 0031-4005. PMID 22926175.

[8] American Academy of Pediatrics Task Force on Circumcision (2012). "Policy Statement". Pediatrics. 130 (3): 585–586. doi:10.1542/peds.2012-1989. ISSN 0031-4005. PMID 22926180.

[9] American Academy of Pediatrics Task Force on Circumcision (2012). "Technical Report". Pediatrics. 130 (3): e756–e785. doi:10.1542/peds.2012-1990. ISSN 0031-4005. PMID 22926175.

[hay_2012-6] ^ ^a ^b ^c ^d ^e ^f ^g ^h Hay W, Levin M (25 June 2012). Current Diagnosis and Treatment Pediatrics 21/E. McGraw Hill Professional. pp. 18–19. ISBN 978-0-07-177971-5.

[Bolnick_2012_ch1-7] Bolnick (2012), ch. 1, Current Circumcision Trends and Guidelines, pp. 3-8

[caga-anan_2011-8] ^ ^a ^b ^c ^d ^e ^f ^g Caga-anan EC, Thomas AJ, Diekema DS, Mercurio MR, Adam MR (8 September 2011). Clinical Ethics in Pediatrics: A Case-Based Textbook. Cambridge University Press. p. 43. ISBN 978-0-521-17361-2.{{cite book}}: CS1 maint: multiple names: authors list (link)

[pinto_2012-9] ^ ^a ^b ^c ^d ^e ^f Pinto K (2012). "Circumcision controversies". Pediatric clinics of North America. 59 (4): 977–986. doi:10.1016/j.pcl.2012.05.015. PMID 22857844. {{cite journal}}: Unknown parameter |month= ignored (help)

[siegfried_Cochrane_2009-10] Siegfried N, Muller M, Deeks JJ, Volmink J (2009). Siegfried, Nandi (ed.). "Male circumcision for prevention of heterosexual acquisition of HIV in men". Cochrane Database of Systematic Reviews (Online) (2): CD003362. doi:10.1002/14651858.CD003362.pub2. PMID 19370585.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[uthman_2010-11] Uthman OA, Popoola TA, Uthman MM, Aremu O (2010). Van Baal, Pieter H. M (ed.). "Economic evaluations of adult male circumcision for prevention of heterosexual acquisition of HIV in men in sub-Saharan Africa: a systematic review". PLoS ONE. 5 (3): e9628. doi:10.1371/journal.pone.0009628. PMC 2835757. PMID 20224784.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: unflagged free DOI (link)

[WHO_HIV_2007-12] ^ ^a ^b ^c ^d ^e ^f "WHO and UNAIDS announce recommendations from expert consultation on male circumcision for HIV prevention". World Health Organization. 2007. {{cite web}}: Unknown parameter |month= ignored (help)

[wetmore_2010-13] Wetmore CM, Manhart LE, Wasserheit JN (2010). "Randomized controlled trials of interventions to prevent sexually transmitted infections: learning from the past to plan for the future". Epidemiol Rev. 32 (1): 121–36. doi:10.1093/epirev/mxq010. PMC 2912604. PMID 20519264. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[larke_HPV_2011-14] Larke N, Thomas SL, Dos Santos Silva I, Weiss HA (2011). "Male circumcision and human papillomavirus infection in men: a systematic review and meta-analysis". J. Infect. Dis. 204 (9): 1375–90. doi:10.1093/infdis/jir523. PMID 21965090. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[albero_2012-15] Albero G, Castellsagué X, Giuliano AR, Bosch FX (2012). "Male Circumcision and Genital Human Papillomavirus: A Systematic Review and Meta-Analysis". Sex Transm Dis. 39 (2): 104–113. doi:10.1097/OLQ.0b013e3182387abd. PMID 22249298. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[rehmeyer_2011-16] ^ ^a ^b ^c ^d ^e ^f Rehmeyer C, CJ (2011). "Male Circumcision and Human Papillomavirus Studies Reviewed by Infection Stage and Virus Type". J Am Osteopathy Assoc. 111 (3 suppl 2): S11–S18. PMID 21415373.

[ACS_2012-18] "Can penile cancer be prevented?". Learn About Cancer: Penile Cancer: Detailed Guide. American Cancer Society. Retrieved 2012 Oct 25. {{cite web}}: Check date values in: |accessdate= (help)

[weiss_2010_complications-19] ^ ^a ^b ^c ^d ^e ^f Weiss HA, Larke N, Halperin D, Schenker I (2010). "Complications of circumcision in male neonates, infants and children: a systematic review". BMC Urol. 10: 2. doi:10.1186/1471-2490-10-2. PMC 2835667. PMID 20158883.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: unflagged free DOI (link)

[AAFP_2007-20] "Circumcision: Position Paper on Neonatal Circumcision". American Academy of Family Physicians. 2007. Retrieved 2007-01-30.

[sadeghi-nejad_2010-21] Sadeghi-Nejad H, Wasserman M, Weidner W, Richardson D, Goldmeier D (2010). "Sexually transmitted diseases and sexual function". J Sex Med. 7 (1 Pt 2): 389–413. doi:10.1111/j.1743-6109.2009.01622.x. PMID 20092446. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[perera_2010-22] Perera CL, Bridgewater FH, Thavaneswaran P, Maddern GJ (2010). "Safety and efficacy of nontherapeutic male circumcision: a systematic review". Ann Fam Med. 8 (1): 64–72. doi:10.1370/afm.1073. PMC 2807391. PMID 20065281.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[doyle_2010-23] Doyle S, Kahn J, Hosang N, Carroll P (2010). "The Impact of Male Circumcision on HIV Transmission". Journal of Urology. 183 (1): 21–26. doi:10.1016/j.juro.2009.09.030. PMID 19913816.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[alanis_2004-25] ^ ^a ^b ^c ^d ^e ^f ^g Alanis MC, Lucidi RS (2004). "Neonatal circumcision: a review of the world's oldest and most controversial operation". Obstet Gynecol Surv. 59 (5): 379–95. doi:10.1097/00006254-200405000-00026. PMID 15097799. {{cite journal}}: Unknown parameter |month= ignored (help)

[glass_1999-26] Glass JM (1999). "Religious circumcision: a Jewish view" (PDF). BJU Int. 83 Suppl 1: 17–21. doi:10.1046/j.1464-410x.1999.0830s1017.x. PMID 10349410. {{cite journal}}: Unknown parameter |month= ignored (help)

[Columbia_encyc_2011_circ-27] "Circumcision". Columbia Encyclopedia. Columbia University Press. 2011.

[clark_2011-28] Clark M (10 March 2011). Islam For Dummies. John Wiley & Sons. p. 170. ISBN 978-1-118-05396-6.

[Bolnick_2012_ch14-29] Bolnick (2012), ch. 14, Adult Circumcision, pp. 165-176

[WHO_adult_devices_2012-30] "Use of devices for adult male circumcision in public health HIV prevention programmes: Conclusions of the Technical Advisory Group on Innovations in Male Circumcision" (Document). World Health Organization. 2012. {{cite document}}: Unknown parameter |format= ignored (help); Unknown parameter |url= ignored (help)

[CPSBC_2009-31] "Professional Standards and Guidelines – Circumcision (Infant Male)" (Document). College of Physicians and Surgeons of British Columbia. 2009. {{cite document}}: Unknown parameter |accessdate= ignored (help); Unknown parameter |format= ignored (help); Unknown parameter |month= ignored (help); Unknown parameter |url= ignored (help)

[lonngvist_2010-32] Lonnqvist P (2010). "Regional anaesthesia and analgesia in the neonate". Best Pract Res Clin Anaesthesiol. 24 (3): 309–21. doi:10.1016/j.bpa.2010.02.012. PMID 21033009. {{cite journal}}: Unknown parameter |month= ignored (help)

[shockley_2011-33] Shockley RA, Rickett K (2011). "Clinical inquiries. What's the best way to control circumcision pain in newborns?". J Fam Pract. 60 (4): 233a–b. PMID 21472156. {{cite journal}}: Unknown parameter |month= ignored (help)

[wolter_2008-34] Wolter C, Dmochowski R (2008). "Circumcision". Handbook of Office Urological Procedures. Springer. pp. 88-. ISBN 978-1-84628-523-3.

[WHO_Manual_2009-35] "Manual for male circumcision under local anaesthesia". World Health Organization. 2009. {{cite web}}: Unknown parameter |month= ignored (help)

[krieger_2011-36] Krieger JN (2011). "Male circumcision and HIV infection risk". World Journal of Urology. 30 (1): 3–13. doi:10.1007/s00345-011-0696-x. PMID 21590467. {{cite journal}}: Unknown parameter |month= ignored (help)

[tobian_2011-37] Tobian AA, Gray RH (2011). "The medical benefits of male circumcision". JAMA. 306 (13): 1479–80. doi:10.1001/jama.2011.1431. PMID 21972310. {{cite journal}}: Unknown parameter |month= ignored (help)

[kim_2010-38] Kim H, Li PS, Goldstein M, Howard H; Li, Philip S; Goldstein, Marc (2010 Nov). "Male circumcision: Africa and beyond?". Current opinion in urology. 20 (6): 515–9. doi:10.1097/MOU.0b013e32833f1b21. PMID 20844437. {{cite journal}}: Check date values in: |date= (help)CS1 maint: multiple names: authors list (link)

[weiss_2010_HIV-39] Weiss HA, Dickson KE, Agot K, Hankins CA (2010). "Male circumcision for HIV prevention: current research and programmatic issues". AIDS. 24 Suppl 4: S61–9. doi:10.1097/01.aids.0000390708.66136.f4. PMID 21042054.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[WHO_CandR_2007-40] "New Data on Male Circumcision and HIV Prevention: Policy and Programme Implications" (PDF). World Health Organization. March 28, 2007.

[sansom_2010-41] Sansom SL, Prabhu VS, Hutchinson AB; et al. (2010). Kissinger, Patricia (ed.). "Cost-effectiveness of newborn circumcision in reducing lifetime HIV risk among U.S. males". PLoS ONE. 5 (1): e8723. doi:10.1371/journal.pone.0008723. PMC 2807456. PMID 20090910. {{cite journal}}: Explicit use of et al. in: |author= (help)CS1 maint: multiple names: authors list (link) CS1 maint: unflagged free DOI (link)

[CDC_2008-42] "Male Circumcision and Risk for HIV Transmission and Other Health Conditions: Implications for the United States". Centers for Disease Control and Prevention. 7 February 2008. Retrieved 15 July 2011.

[templeton_2010-43] Templeton DJ, Millett GA, Grulich AE (2010). "Male circumcision to reduce the risk of HIV and sexually transmitted infections among men who have sex with men". Curr. Opin. Infect. Dis. 23 (1): 45–52. doi:10.1097/QCO.0b013e328334e54d. PMID 19935420. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[wiysonge_2011-44] Wiysonge CS, Kongnyuy EJ, Shey M; et al. (2011). Wiysonge, Charles Shey (ed.). "Male circumcision for prevention of homosexual acquisition of HIV in men". Cochrane Database Syst Rev (6): CD007496. doi:10.1002/14651858.CD007496.pub2. PMID 21678366. {{cite journal}}: Explicit use of et al. in: |author= (help)CS1 maint: multiple names: authors list (link)

[CDC_HPV-45] "STD facts – Human papillomavirus (HPV)". CDC. Retrieved September 12, 2012.

[weiss_2006_syphilis-46] Weiss HA, Thomas SL, Munabi SK, Hayes RJ (2006). "Male circumcision and risk of syphilis, chancroid, and genital herpes: a systematic review and meta‐analysis". Sexually Transmitted Infections. 82 (2): 101–9, discussion 110. doi:10.1136/sti.2005.017442. PMC 2653870. PMID 16581731. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[millett_2008-47] Millett GA, Flores SA, Marks G, Reed JB, Herbst JH (2008). "Circumcision status and risk of HIV and sexually transmitted infections among men who have sex with men: a meta-analysis". JAMA. 300 (14): 1674–84. doi:10.1001/jama.300.14.1674. PMID 18840841. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[becker_2011-48] Becker K (2011). "Lichen sclerosus in boys". Dtsch Arztebl Int. 108 (4): 53–8. doi:10.3238/arztebl.2011.053. PMC 3036008. PMID 21307992. {{cite journal}}: Unknown parameter |month= ignored (help)

[leber_2006-49] Leber M, Tirumani A (June 8, 2006). "Balanitis". EMedicine. Retrieved 2008-10-14.

[osipov_2006-50] Osipov V, Acker S (2006). "Balanoposthitis". Reactive and Inflammatory Dermatoses. EMedicine. Retrieved 2006-11-20. {{cite web}}: Unknown parameter |month= ignored (help)

[aridogan_2011-51] Aridogan IA, Izol V, Ilkit M (2011). "Superficial fungal infections of the male genitalia: a review". Crit. Rev. Microbiol. 37 (3): 237–44. doi:10.3109/1040841X.2011.572862. PMID 21668404. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[hayashi_2011-52] Hayashi Y, Kojima Y, Mizuno K, Kohri K (2011). "Prepuce: phimosis, paraphimosis, and circumcision". ScientificWorldJournal. 11: 289–301. doi:10.1100/tsw.2011.31. PMID 21298220.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: unflagged free DOI (link)

[jagannath_2012-53] Jagannath VA, Fedorowicz Z, Sud V, Verma AK, Hajebrahimi S (2012). "Routine neonatal circumcision for the prevention of urinary tract infections in infancy". Cochrane Database Syst Rev. 11: CD009129. doi:10.1002/14651858.CD009129.pub2. PMID 23152269.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[jagannath_2011-54] Jagannath VA, Fedorowicz Z, Sud V, Verma AK, Hajebrahimi S (2011). Fedorowicz, Zbys (ed.). "Routine neonatal circumcision for the prevention of urinary tract infections in infancy (Protocol)". Cochrane Database of Syst Rev (5): CD009129. doi:10.1002/14651858.CD009129.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[larke_penile_cancer_2011-55] Larke NL, Thomas SL, Dos Santos Silva I, Weiss HA (2011). "Male circumcision and penile cancer: a systematic review and meta-analysis". Cancer Causes Control. 22 (8): 1097–110. doi:10.1007/s10552-011-9785-9. PMC 3139859. PMID 21695385. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[AUA_2007-56] American Urological Association. "Circumcision". Retrieved 2008-11-02.

[KNMG_2010-57] "Non-therapeutic circumcision of male minors (2010)". KNMG. 12 June 2010.

[doyle_2005-58] ^ ^a ^b ^c ^d ^e ^f ^g Doyle D (2005). "Ritual male circumcision: a brief history". The journal of the Royal College of Physicians of Edinburgh. 35 (3): 279–285. PMID 16402509. {{cite journal}}: Unknown parameter |month= ignored (help)

[drain_2006-59] Drain PK, Halperin DT, Hughes JP, Klausner JD, Bailey RC (2006). "Male circumcision, religion, and infectious diseases: an ecologic analysis of 118 developing countries". BMC Infectious Diseases. 6: 172. doi:10.1186/1471-2334-6-172. PMC 1764746. PMID 17137513.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: unflagged free DOI (link)

[klavs_2008-60] Klavs I, Hamers FF (2008). "Male circumcision in Slovenia: results from a national probability sample survey". Sexually Transmitted Infections. 84 (1): 49–50. doi:10.1136/sti.2007.027524. PMID 17881413. {{cite journal}}: Unknown parameter |month= ignored (help)

[castellsague_2002-61] Castellsagué X, Bosch FX, Muñoz N; et al. (2002). "Male circumcision, penile human papillomavirus infection, and cervical cancer in female partners". N. Engl. J. Med. 346 (15): 1105–12. doi:10.1056/NEJMoa011688. PMID 11948269. {{cite journal}}: Explicit use of et al. in: |author= (help); Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[ko_2007-62] Ko MC, Liu CK, Lee WK, Jeng HS, Chiang HS, Li CY (2007). "Age-specific prevalence rates of phimosis and circumcision in Taiwanese boys". Journal of the Formosan Medical Association=Taiwan Yi Zhi. 106 (4): 302–7. doi:10.1016/S0929-6646(09)60256-4. PMID 17475607. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[richters_2006-63] Richters J, Smith AM, de Visser RO, Grulich AE, Rissel CE (2006). "Circumcision in Australia: prevalence and effects on sexual health". Int J STD AIDS. 17 (8): 547–54. doi:10.1258/095646206778145730. PMID 16925903. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[gollaher_2001_ch1-64] Gollaher (2001), ch. 1, The Jewish Tradition, pp. 1-30

[encyc_judaica_2006-65] "Circumcision". Encyclopaedia Judaica (2 ed.). USA: Macmillan Reference. 2006. ISBN 978-0-02-865928-2.

[gollaher_2001_ch2-66] Gollaher (2001), ch. 2, Chrisians and Muslims, pp. 31-52

[gollaher_2001_ch3-67] Gollaher (2001), ch. 3, Symbolic Wounds, pp. 53-72

[gollaher_2001_ch4-68] Gollaher (2001), ch. 4, From Ritual to Science, pp. 73-108

[siegfried_Cochrane_2003-69] Siegfried N, Muller M, Volmink J; et al. (2003). Siegfried, Nandi (ed.). "Male circumcision for prevention of heterosexual acquisition of HIV in men". Cochrane Database Syst Rev (3): CD003362. doi:10.1002/14651858.CD003362. PMID 12917962. {{cite journal}}: Explicit use of et al. in: |author= (help)CS1 maint: multiple names: authors list (link)

[boyle_hill_2011-70] Boyle GJ, Hill G (2011). "Sub-Saharan African randomised clinical trials into male circumcision and HIV transmission: methodological, ethical and legal concerns". J Law Med. 19 (2): 316–34. PMID 22320006.

[dowsett_2007-71] Dowsett GW, Couch M (2007). "Male circumcision and HIV prevention: is there really enough of the right kind of evidence?". Reproductive Health Matters. 15 (29): 33–44. doi:10.1016/S0968-8080(07)29302-4. PMID 17512372. {{cite journal}}: Unknown parameter |month= ignored (help)

[darby_2011-72] Darby R, Van Howe R (2011). "Not a surgical vaccine: there is no case for boosting infant male circumcision to combat heterosexual transmission of HIV in Australia". Australian and New Zealand Journal of Public Health. 35 (5): 459–465. doi:10.1111/j.1753-6405.2011.00761.x. PMID 21973253.

[NYTimes_2009-73] McNeil, Jr., Donald G. (March 3, 2009). "AIDS: New Web Site Seeks to Fight Myths About Circumcision and H.I.V." The New York Times. p. D6. Retrieved February 1, 2012.

[AVAC_2012-74] AVAC: Global Advocacy for HIV Prevention. "About male circumcision". Retrieved 2012-12. {{cite web}}: Check date values in: |accessdate= (help)

[Bolnick_2012_ch23-75] Bolnick (2012), ch. 23, Jewish Ritual Circumcision, pp. 265-274

[alsabbagh_1996-76] -Sabbagh, Muhammad Lutfi (1996). Islamic ruling on male and female circumcision (PDF). World Health Organization. p. 16. ISBN 92-9021-216-0.

[Bolnick_2012_ch24-77] Bolnick (2012), ch. 24, Islam and Circumcision, pp. 275-280

[riggs_2006-78] Thomas Riggs (2006). "Christianity: Coptic Christianity". Worldmark Encyclopedia of Religious Practices: Religions and denominations. Thomson Gale. ISBN 978-0-7876-6612-5.

[Bolnick_2012_ch26-79] Bolnick (2012), ch. 26, Circumcision in the Early Christian Church, pp. 291-298

[encyc_religion_2005-80] "Circumcision". Encyclopedia of Religion (2 ed.). Gale. 2005.

[binagwaho_2010-81] Binagwaho A, Pegurri E, Muita J, Bertozzi S (2010). Kalichman, Seth C (ed.). "Male circumcision at different ages in Rwanda: a cost-effectiveness study". Public Library of Science. 7 (1): e1000211. doi:10.1371/journal.pmed.1000211. PMC 2808207. PMID 20098721. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link) CS1 maint: unflagged free DOI (link)

[hankins_2011-82] Hankins C, Forsythe S, Njeuhmeli E (2012). Sansom, Stephanie L (ed.). "Voluntary medical male circumcision: an introduction to the cost, impact, and challenges of accelerated scaling up". Arch Pediatr Adolesc Med. 8 (11): e1001127. doi:10.1371/journal.pmed.1001127. PMC 3226452. PMID 22140362. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link) CS1 maint: unflagged free DOI (link)

[xu_2009-83] Xu X, Patel DA, Dalton VK, Pearlman MD, Johnson TR (2009). "Can routine neonatal circumcision help prevent human immunodeficiency virus transmission in the United States?". American journal of men's health. 3 (1): 79–84. doi:10.1177/1557988308323616. PMC 2678848. PMID 19430583. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

[kacker_2012-84] Kacker S, Frick KD, Gaydos CA, Tobian AA (2012). "Costs and Effectiveness of Neonatal Male Circumcision". Public Library of Science. 166 (10): 1–9. doi:10.1001/archpediatrics.2012.1440. PMID 22911349. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)

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v t e Circumcision
Medical aspects	HIV Surgical procedure
History and prevalence	History Prevalence Perspectives
Religious aspects	Religious male circumcision Early Christianity Judaism Islam Jesus
Ethical and legal aspects	Controversies Ethics Forced Law
Category	Circumcision