[Problems of oral contraception].
D001778:Blood Coagulation Disorders / Q000139:chemically induced; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006261:Headache / Q000139:chemically induced; D006801:Humans; D011247:Pregnancy; D013923:Thromboembolism / Q000139:chemically induced; D013997:Time Factors
D003276:Contraceptives, Oral
Problemi di contraccezione orale