title: Oral contraception and thromboembolism: the role of progestogens.
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects; D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects*; D045166:Estradiol Congeners / Q000009:adverse effects; D005260:Female; D006801:Humans; D045167:Progesterone Congeners / Q000009:adverse effects*; D013923:Thromboembolism / Q000139:chemically induced*
chemical_list: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003280:Contraceptives, Oral, Synthetic; D045166:Estradiol Congeners; D045167:Progesterone Congeners