Oral contraceptive pill
Two types of female oral contraceptive pill, taken once per day, are widely available:
- The combined oral contraceptive pill contains oestrogen and progesterone
- The progestin-only pill
- 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 this combination is more than 95% effective during the first 50 days of pregnancy. it is administered by a physician, and is only used as a last resort.
- Male oral contraceptives are currently not available commercially, although several possibilities are in various stages of research and development