Coordinated studies of the effects of oral contraceptives.
D001835:Body Weight / Q000187:drug effects; D001943:Breast Neoplasms / Q000453:epidemiology; D002869:Chromosome Aberrations / Q000453:epidemiology; D025063:Chromosome Disorders; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004341:Drug Evaluation; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D006973:Hypertension / Q000453:epidemiology; D013923:Thromboembolism / Q000453:epidemiology; D014481:United States; D002583:Uterine Cervical Neoplasms / Q000453:epidemiology
D003276:Contraceptives, Oral