Suppression of ovulation by Anovlar.
D004338:Drug Combinations; D004412:Dysmenorrhea; D004997:Ethinyl Estradiol; D005260:Female; D006801:Humans; D009640:Norethindrone; D010060:Ovulation
D004338:Drug Combinations; C020416:norethindrone acetate, ethinyl estradiol, ferrous fumarate drug combination; D004997:Ethinyl Estradiol; D009640:Norethindrone
DYSMENORRHEA; ETHINYL ESTRADIOL