Oral contraceptive

Oral contraceptive

Oral contraceptives are medications taken by mouth for the purpose of birth control.

Female

Two types of female oral contraceptive pill are widely available:
*The combined oral contraceptive pill contains oestrogen and a progestogen, and is taken once per day.
*The progestogen only pill contains only progestogen, and is also taken once per day.

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 oestrogen receptor modulator which is taken one to two times per week. Ormeloxifene is approved as an oral contraceptive only in India.

Male

*Male oral contraceptives are currently not available commercially, although several possibilities are in various stages of research and development.


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  • oral contraceptive — noun a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception • Syn: ↑pill, ↑birth control pill, ↑contraceptive pill, ↑oral contraceptive pill, ↑anovulatory drug, ↑anovulant •… …   Useful english dictionary

  • oral contraceptive — UK / US noun [countable] Word forms oral contraceptive : singular oral contraceptive plural oral contraceptives formal a pill that a woman takes every day to prevent herself from becoming pregnant. It is usually called the pill and is a form of… …   English dictionary

  • Oral contraceptive — A birth control pill taken by mouth. Most oral contraceptives include both estrogen and progesterone. When given in certain amounts and at certain times in the menstrual cycle, these hormones prevent the ovary from releasing an egg for… …   Medical dictionary

  • Oral contraceptive formulations — Oral contraceptives come in a variety of formulations. The main division is between combined oral contraceptive pills, containing both estrogen and synthetic progestogens (strictly progestins, the term used in the United States, but the former… …   Wikipedia

  • Oral contraceptive pill — Oral contraceptives are medications taken by mouth for the purpose of birth control. Female Two types of female oral contraceptive pill are widely available: The combined oral contraceptive pill contains oestrogen and a progestogen, and is taken… …   Wikipedia

  • oral contraceptive pill — n BIRTH CONTROL PILL …   Medical dictionary

  • oral contraceptive — oral contra ceptive n a drug that a woman takes by mouth, so that she can have sex without having a baby = ↑pill …   Dictionary of contemporary English

  • oral contraceptive — oral contra ceptive noun count FORMAL a pill that a woman takes every day to prevent herself from becoming pregnant. It is usually called the pill and is a form of birth control …   Usage of the words and phrases in modern English

  • oral contraceptive pill — noun a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception • Syn: ↑pill, ↑birth control pill, ↑contraceptive pill, ↑oral contraceptive, ↑anovulatory drug, ↑anovulant • Hypernyms: ↑ …   Useful english dictionary

  • oral contraceptive — a tablet, containing one or more synthetic female sex hormones, taken by women to prevent conception. Most oral contraceptives are combined pills, consisting of an oestrogen, which blocks the normal process of ovulation, and a progestogen, which… …   The new mediacal dictionary

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