title: Three new combination oral contraceptives: Seasonique, Loestrin 24 Fe, and Yaz.
mesh_terms: D003277:Contraceptives, Oral, Combined / Q000494:pharmacology*; D004338:Drug Combinations; D004997:Ethinyl Estradiol / Q000494:pharmacology*; D005260:Female; D006801:Humans; D009640:Norethindrone / Q000494:pharmacology*
chemical_list: D003277:Contraceptives, Oral, Combined; D004338:Drug Combinations; C020416:norethindrone acetate, ethinyl estradiol, ferrous fumarate drug combination; D004997:Ethinyl Estradiol; D009640:Norethindrone