oral contraceptive pillListen to pronunciation(OR-ul KON-truh-SEP-tiv ...)A pill used to prevent pregnancy. It contains hormones that block the release of eggs from the ovaries. Most oral contraceptives include estrogen and progestin. Also called birth control pill.More InformationOral Contraceptives and Cancer RiskSearch NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#
