title: The changing pattern in oral contraception.
mesh_terms: D000014:Abnormalities, Drug-Induced; D000328:Adult; D000568:Amenorrhea / Q000139:chemically induced; D000818:Animals; D001943:Breast Neoplasms / Q000139:chemically induced; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004285:Dogs; D005260:Female; D005333:Fetus / Q000187:drug effects; D006801:Humans; D006973:Hypertension / Q000139:chemically induced; D007238:Infarction / Q000139:chemically induced; D008113:Liver Neoplasms / Q000139:chemically induced; D008642:Mesenteric Veins; D008875:Middle Aged; D009203:Myocardial Infarction / Q000139:chemically induced; D011183:Postoperative Complications; D013923:Thromboembolism / Q000139:chemically induced
chemical_list: D003276:Contraceptives, Oral