异位妊娠采用超声诊断目前已是常用的方法 ,尤其是早期异位妊娠 ,通过超声检查往往能提供较多的信息。综合文献报道 ,超声诊断正确率在 77%～ 92 %左右。随着仪器分辨率的提高 ,尤其是阴道超声及彩色多普勒血流成像的应用 ,使超声诊断异位妊娠的正确率得以更大提高。阴道超声因 Ultrasound diagnosis of ectopic pregnancy is now commonly used method, especially in early ectopic pregnancy, ultrasound can often provide more information. Comprehensive literature reported that the correct rate of ultrasound diagnosis in about 77% to 92%. With the improvement of the resolution of the instrument, especially the application of vaginal ultrasound and color Doppler flow imaging, the accuracy of ultrasonic diagnosis of ectopic pregnancy can be greatly improved. Vaginal ultrasound due