Oral contraceptive pill
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Two types of female oral contraceptive pill, taken once per day, are widely available:
- The combined oral contraceptive pill contains estrogen and a progestin. Colloquially known as "The Pill".
- The progestogen-only pill, colloquially known as "minipill".
- Ormeloxifene is a selective estrogen receptor modulator which offers the benefit of only having to be taken once a week.
Emergency contraception pills ("morning after pills") are taken at the time of intercourse, or within a few days afterwards:
- Levonorgestrel, sold under the brand name Plan B
- Ulipristal acetate
- Mifepristone and misoprostol, when used in combination, are more than 95% effective during the first 50 days of pregnancy.
- Male oral contraceptives are currently not available commercially, although several possibilities are in various stages of research and development