title: Acute abdominal condition caused by retrograde bleeding in a postmenopausal patient on estrogen-progestogen therapy.
abstract: Retrograde blood flow in menstruating women has been described recently. The acute event seems to be asymptomatic. Reported here is a case of an acute abdominal condition due to cervical obstruction and retrograde bleeding in a postmenopausal patient treated with estrogen-progestogen therapy.
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology*; D000368:Aged; D002979:Climacteric; D004338:Drug Combinations / Q000009:adverse effects; D004958:Estradiol / Q000009:adverse effects*; D004964:Estriol / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008593:Menopause; D009640:Norethindrone / Q000009:adverse effects / Q000031:analogs & derivatives*; D014592:Uterine Hemorrhage / Q000139:chemically induced / Q000150:complications*
chemical_list: D004338:Drug Combinations; D004958:Estradiol; C032040:Trisequens; D004964:Estriol; D009640:Norethindrone