title: Oral contraception and increased risk of cerebral ischemia or thrombosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D002543:Cerebral Hemorrhage / Q000139:chemically induced / Q000453:epidemiology; D002561:Cerebrovascular Disorders / Q000139:chemically induced / Q000453:epidemiology*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D002542:Intracranial Embolism and Thrombosis / Q000139:chemically induced* / Q000453:epidemiology; D007511:Ischemia; D002546:Ischemic Attack, Transient / Q000139:chemically induced; D012189:Retrospective Studies; D012907:Smoking / Q000150:complications; D014481:United States
chemical_list: D003276:Contraceptives, Oral