title: Complications of the new contraceptive preparations.
mesh_terms: D003276:Contraceptives, Oral / Q000009:adverse effects*; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects*; D004967:Estrogens / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011372:Progestins / Q000009:adverse effects*
chemical_list: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D004967:Estrogens; D011372:Progestins