title: Thromboembolism and oral contraceptives.
mesh_terms: D001777:Blood Coagulation / Q000187:drug effects; D001808:Blood Vessels / Q000473:pathology; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004967:Estrogens / Q000009:adverse effects; D005260:Female; D006801:Humans; D011247:Pregnancy; D011372:Progestins / Q000009:adverse effects; D011446:Prospective Studies; D012189:Retrospective Studies; D013923:Thromboembolism / Q000139:chemically induced* / Q000453:epidemiology / Q000473:pathology
chemical_list: D003276:Contraceptives, Oral; D004967:Estrogens; D011372:Progestins