宫外孕是临床常见急腹症,发病率国外报道9.4％,国内报道10.8％,其死亡率占孕产妇死亡率的10％。而不典型病例常易误诊,我科曾于1990年至1997年以内科疾病收治3名,现将误诊原因分析如下。 Ectopic pregnancy is a common clinical acute abdomen, the incidence of foreign coverage of 9.4%, 10.8% of the domestic coverage, the mortality rate accounted for 10% of maternal mortality. The atypical cases often misdiagnosis, our department was from 1990 to 1997, admitted to internal disease 3, now the misdiagnosis of the reasons are as follows.