Medical Dictionary

birth control pill

noun

Medical Definition of BIRTH CONTROL PILL

:  any of various preparations that usually contain a combination of a progestogen (as norethindrone) and an estrogen (as ethinyl estradiol) but sometimes only a progestogen, are taken orally especially on a daily basis, and act as contraceptives typically preventing ovulation by suppressing secretion of gonadotropins (as luteinizing hormone)—called also oral contraceptive, oral contraceptive pill

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