Portal:Sexuality

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Welcome to the human sexuality portal

Opposite-sex couple holding hands
Male/female couple holding hands

Human sexuality covers topics such as the biological basis of and the social factors affecting, sexual behavior, gender and sexual orientation.

Over time and across cultures, there have been different views on sexual ethics and different laws on what sexual behavior is permitted. Sex education programs promote reproductive health and family planning and try to stop the spread of sexually transmitted diseases. Many societies have forms of erotica or pornography and a sex industry with sex workers such as prostitutes. Some believe that human sexual preferences are derived from genetics, but others believe it is a choice one makes in one's life. For example, some people believe that hetero-, bi-, and homosexuality are determined before birth or early in life, others view sexual preferences as a learned behavior, and others view sexuality as fluid or as a reaction to circumstances.

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Frequency graph of LifeStyles length data

Human penis size is the measured length and width of the human penis.

While results vary across studies, the consensus is that the mean human penis is approximately 12.9–15 cm (5.1–5.9 in) in length with a 95% confidence interval of (10.7 cm, 19.1 cm) (or, equivalently, 4.23 in, 7.53 in). The typical girth or circumference is approximately 12.3 cm (4.85 in) when fully erect. Yet, one reputable source claims that the relaxed human penis has an average length of only 4 inches (≈10.2 cm) and diameter of 1¼ inches (≈3.2 cm) while fully erect it has an average length of 6 inches (≈15.2 cm) and diameter of 1½ inches (≈3.8 cm). The mean penis size is slightly greater than the median size. Studies have not found a relation between penis size and race.

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Painting by Édouard-Henri Avril
Painting by Édouard-Henri Avril (1843–1928)
See more of Avril's works at Wikimedia Commons
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See Category:Sex at Wikimedia Commons for more images related to sexuality

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Topics

Physiological events
Erection
Insemination
Menstruation
Orgasm
Female and Male ejaculation
Pregnancy
Sexual arousal
Health and education
Birth control
Condom
Margaret Sanger
Postorgasmic illness syndrome
Reproductive medicine
Andrology
Gynaecology
Urology
Safe sex
Sexology
Sex education
Sex therapy
Certified sex addiction therapist
Certified sex therapist
Sex surrogate
Sexual dysfunction
Erectile dysfunction
Hypersexuality
Sexually transmitted disease
Sexual medicine
Identity
Gender identity
Sexual identity
Sexual orientation
Sex and the law
Age of consent
Criminal transmission of HIV
Incest
Obscenity
Public indecency
Rape
Sexual abuse
Sexual assault
Sexual harassment
Sexual misconduct
Sexual violence
History of human sexuality
Feminist Sex Wars
History of erotic depictions
Sexual revolution
Relationships and society
Anarchism and sex/love
Family planning
Homophobia
Marriage
Paraphilia
Polyamory
Promiscuity
Queer theory
Religion and sexuality
Romance
Sexual abstinence
Sexual addiction
Sexual attraction
Sexual capital
Sexual ethics
Sexual objectification
Sexual slang
Sex industry
Adult video game
Female and Male "sex tourism"
Erotica
Pornography
Prostitution
Sex doll
Sex club
Sex shop
Sex toy
Strip club
Swinging
Human sexual activities
Anal–oral sex
Anal sex
Ass to mouth
Bareback
BDSM
Cock-and-ball torture
Creampie
Cum shot
Cybersex
Dirty talk
Double penetration
Facial
Fingering
Fisting
Gang bang
Group sex
Masturbation
Mechanics of sex
Non-penetrative sex
Mammary intercourse
Petting
Handjob
Sumata
Oral sex
Oral stimulation of nipples
Orgasm control
Orgy
Pompoir
Quickie
Sex position
List
Sexual intercourse
Foreplay
Sexual sublimation
Snowballing
Tea bag
Venus Butterfly
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