异位妊娠是妇产科临床一种严重危及妇女健康的疾病，其发生率近来有明显增高趋势，该病的早期诊断与愈后有着直接关系。经阴道超声是近年来发展起来的腔内超声的一种，因探头频率高，图像分辨力高，且接近子宫，卵巢等盆内结构，可获得比经腹超声更多的诊断有用的信息，可... Ectopic pregnancy is a serious clinical and gynecological diseases endangering the health of women, the incidence of the recent trend has been significantly increased, the early diagnosis of the disease and prognosis has a direct relationship. Transvaginal ultrasound is an intracavitary ultrasound developed in recent years. Due to the high frequency of the probe, high resolution of the image, and close to the intrauterine structures such as the uterus and ovary, more diagnostic information than transabdominal ultrasound can be obtained. can...