title: Antithrombin III and oral contraception with progestagen-only preparation.
mesh_terms: D000328:Adult; D000990:Antithrombin III / Q000037:antagonists & inhibitors*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D045166:Estradiol Congeners / Q000008:administration & dosage / Q000009:adverse effects; D005260:Female; D006801:Humans; D009645:Norgestrienone / Q000008:administration & dosage / Q000009:adverse effects*; D009651:Norpregnatrienes / Q000009:adverse effects*; D013927:Thrombosis / Q000139:chemically induced
chemical_list: D003276:Contraceptives, Oral; D045166:Estradiol Congeners; D009651:Norpregnatrienes; D009645:Norgestrienone; D000990:Antithrombin III