Oral contraception--choice of treatment.
D003276:Contraceptives, Oral / Q000008:administration & dosage / Q000145:classification; D004347:Drug Interactions; D011307:Drug Prescriptions; D005040:Ethynodiol Diacetate / Q000008:administration & dosage; D005260:Female; D006801:Humans; D008234:Lynestrenol / Q000008:administration & dosage; D009640:Norethindrone / Q000008:administration & dosage; D009644:Norgestrel / Q000008:administration & dosage
D003276:Contraceptives, Oral; D009644:Norgestrel; D005040:Ethynodiol Diacetate; D008234:Lynestrenol; D009640:Norethindrone