目的比较B型与彩色多普勒超声(彩超)在诊断胎儿脐带绕颈中的价值。

Objective To compare the value of B-mode (B-US) and color Doppler ultrasound (CD-US) in diagnosis of umbilical cord around neck (UCAN).

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方法对产前行常规B超或彩超检查，疑有胎儿脐带绕颈的180例30～ 41周孕妇的超声检查结果与分娩结果进行对比分析。

Methods We compared the ultrasonic results of 180 cases who have been pregnant for 30 to 41 weeks and were suspected to have UCAN by B-US or CD-US to the results of delivery.

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脐带绕颈胎儿剖宫产与自娩的胎儿宫内窘迫率及新生儿重度窒息率差异无显著性。 新生儿轻度窒息率差异有显著性。

Compared with the prevalence of fetal distress and neonatal severe asphyxia, there were no significant difference in different delivery pattern of cord entanglement.

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