脐带绕颈是引起胎儿宫内窘迫以至胎儿死亡的较常见的原因。因此产前诊断有着十分重要的临床意义。我院对1994年1月～1995年6月期间产前B超诊断脐带绕颈者168例，与产后情况对照，诊断符合率达94．6％，现总结如下：资料与方法一般资料：本组168例孕产妇中，孕周36～42周，年龄2 The umbilical cord around the neck is the most common cause of fetal distress and fetal death. Therefore, prenatal diagnosis has a very important clinical significance. 168 cases of umbilical cord around the neck diagnosed by prenatal B-ultrasound in our hospital from January 1994 to June 1995 were compared with those of postpartum and the diagnostic coincidence rate reached 94.6%. The main conclusions are as follows: General information and method 168 cases of pregnant women, gestational age 36 to 42 weeks, age 2