anovulant, anovulatory drug, birth control pill, contraceptive pill, oral contraceptive, oral contraceptive pill, pill - a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception

norethandrolone, norethindrone, norethindrone acetate, Norlutin - a synthetic progestational hormone (trade name Norlutin) used in oral contraceptives and to treat endometriosis

estradiol, oestradiol - the most powerful female hormone that occurs naturally; synthesized and used to treat estrogen deficiency and breast cancer