Two types of female oral contraceptive pill, taken once per day, are widely available:
Emergency contraception pills ("morning after pills") are taken at the time of intercourse, or within a few days afterwards.
Other types of female oral contraceptive are experimental or only available in limited areas:
- Mifepristone is an antiprogestogen which has been used as a daily oral contraceptive in investigational clinical trials.
- Ormeloxifene (also known as Centchroman) is a selective estrogen receptor modulator which is taken one to two times per week. Ormeloxifene is approved as an oral contraceptive only in India.
- Male oral contraceptives are currently not available commercially, although several possibilities are in various stages of research and development