近年来国内外报道采用B超行胎儿脐带绕颈的产前诊断,但准确率不尽相同。本文介绍采用彩色多普勒超声技术(彩超)对妊娠晚期临床怀疑脐带绕颈者进行产前诊断,并与分娩结果相对照。结果报告如下。一、对象1993年7月~1994年6月对产前检查中孕龄为37~41周、头位、无妊娠并发症或合并症孕妇行彩超检查诊断脐带绕颈79例。 In recent years, domestic and foreign reports using prenatal diagnosis of umbilical cord B around the fetus, but the accuracy is not the same. This article describes the use of color Doppler ultrasound (color Doppler ultrasonography) on the third trimester of clinical suspected umbilical cord around the neck for prenatal diagnosis, and delivery results compared with the control. The results are reported below. First, the object July 1993 ~ June 1994 Prenatal care for the 37 to 41 weeks gestational age, head position, no complications of pregnancy or complications of pregnant women by color Doppler ultrasound diagnosis of cord around the neck in 79 cases.