title: A visual aid to the classification of oral contraceptives.
mesh_terms: D002715:Chlormadinone Acetate / Q000494:pharmacology; D003276:Contraceptives, Oral / Q000009:adverse effects / Q000145:classification*; D004305:Dose-Response Relationship, Drug; D004359:Drug Therapy, Combination; D004997:Ethinyl Estradiol / Q000494:pharmacology; D005040:Ethynodiol Diacetate / Q000494:pharmacology; D005260:Female; D006801:Humans; D008234:Lynestrenol / Q000494:pharmacology; D008525:Medroxyprogesterone / Q000494:pharmacology; D008535:Megestrol / Q000494:pharmacology; D008598:Menstruation; D009640:Norethindrone / Q000494:pharmacology; D009644:Norgestrel / Q000494:pharmacology
chemical_list: D003276:Contraceptives, Oral; D002715:Chlormadinone Acetate; D009644:Norgestrel; D004997:Ethinyl Estradiol; D005040:Ethynodiol Diacetate; D008535:Megestrol; D008525:Medroxyprogesterone; D008234:Lynestrenol; D009640:Norethindrone