The risks of oral contraception.
D000858:Anovulation / Q000139:chemically induced; D002561:Cerebrovascular Disorders / Q000139:chemically induced; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects*; D005260:Female; D005298:Fertility / Q000187:drug effects; D006801:Humans; D009203:Myocardial Infarction / Q000139:chemically induced; D009369:Neoplasms / Q000139:chemically induced; D011247:Pregnancy; D012306:Risk; D012907:Smoking; D013923:Thromboembolism / Q000139:chemically induced
D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined