1病例资料28岁。因阴道流血伴下腹痛半月余,加重2 d入院。患者于停经36 d出现阴道流血,如正常月经量,色鲜红,伴有下腹痛,自认为月经来潮,未予处理。13 d后阴道流血自然停止,2 d后再次出血,仍如月经量,伴有腹痛加重。到当地医院查血人绒毛膜促性腺激素 1 case information 28 years old. Due to vaginal bleeding with abdominal pain more than half a month, increased 2 d admission. Patients with vaginal bleeding 36 days after menopause, such as normal menstrual flow, color red, accompanied by lower abdominal pain, consider themselves menstrual cramps, untreated. Vaginal bleeding after 13 days of natural stop, 2 days after bleeding again, still as menstrual flow, accompanied by abdominal pain increased. To the local hospital check blood human chorionic gonadotropin