title: Synphase--another triphasic oral contraceptive.
mesh_terms: D003277:Contraceptives, Oral, Combined; D004334:Drug Administration Schedule; D004338:Drug Combinations; D004997:Ethinyl Estradiol; D005260:Female; D006801:Humans; D009640:Norethindrone
chemical_list: D003277:Contraceptives, Oral, Combined; D004338:Drug Combinations; C020416:norethindrone acetate, ethinyl estradiol, ferrous fumarate drug combination; D004997:Ethinyl Estradiol; D009640:Norethindrone