异位妊娠是妇产科最常见的急症之一,近年来国内外报道其发病率有明显增加趋势。由于异位妊娠的临床表现和体征变化多样,易与多种疾病混淆,误诊率高达32·8%~67·9%[1,2],而延误就诊及误诊误治是异位妊娠死亡的主要原因[3]。因此认清异位妊娠的临床特征,提高早期诊断率,减少误诊 Ectopic pregnancy is one of the most common emergency of obstetrics and gynecology, in recent years at home and abroad reported a significant increase in the incidence of the trend. Due to the variety of clinical manifestations and signs of ectopic pregnancy, it is easy to be confused with a variety of diseases, the misdiagnosis rate is as high as 32.8% -67.9% [1,2], but delayed treatment and misdiagnosis and mistreatment are the causes of ectopic pregnancy death The main reason [3]. Therefore, to identify the clinical features of ectopic pregnancy, improve early diagnosis rate and reduce misdiagnosis