先兆流产与异位妊娠两者是与妊娠有关的疾病。在临床上能明确诊断，但我院则遇到一例先兆流产因血逆流入腹腔误诊为异位妊娠而行剖腹探查术。现报道如下，引以为戒。患者，32岁，G4PI，住院号92一3341，因停经42天，不规则阴道流血3天伴下腹疼痛2小时于1992年12月2日晚10时急诊 Threatened abortion and ectopic pregnancy are both pregnancy-related diseases. In clinical diagnosis can be diagnosed, but our hospital is experiencing a case of threatened abortion due to reflux of blood into the abdominal cavity misdiagnosed as ectopic pregnancy and laparotomy. Now reported as follows, take warning. Patient, 32 years old, G4PI, Hospitalization number 92 to 3341, Irregular vaginal bleeding for 3 days with abdominal pain for 2 hours due to menopause for 42 days, Emergency room at 10 o’clock on the night of December 2, 1992