Oral contraceptives and thromboembolism.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010298:Parity; D011247:Pregnancy; D013923:Thromboembolism / Q000139:chemically induced* / Q000453:epidemiology; D006113:United Kingdom
D003276:Contraceptives, Oral