title: Update on the new triphasic oral contraceptives.
mesh_terms: D003276:Contraceptives, Oral / Q000494:pharmacology*; D003277:Contraceptives, Oral, Combined / Q000494:pharmacology*; D005260:Female; D006801:Humans
chemical_list: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined