title: Oral contraceptives and venous thromboembolism.
mesh_terms: D003277:Contraceptives, Oral, Combined / Q000009:adverse effects*; D017135:Desogestrel / Q000008:administration & dosage / Q000009:adverse effects; D005260:Female; D006801:Humans; D009652:Norpregnenes / Q000008:administration & dosage / Q000009:adverse effects; D045167:Progesterone Congeners / Q000008:administration & dosage / Q000009:adverse effects; D013923:Thromboembolism / Q000139:chemically induced*
chemical_list: D003277:Contraceptives, Oral, Combined; D009652:Norpregnenes; D045167:Progesterone Congeners; C033273:Gestodene; D017135:Desogestrel