The distance from the placental edge to the insertion of the umbilical cord was measured after delivery and the results were used to classify cord insertion as normal marginal or velamentous .

分娩后测量脐带附着点到胎盘边缘的距离，将结果分为正常 附着、 边缘性 附着 和 帆 状 附着。

Umbilical cord velamentous insertion vasa previa true knot nuchal cord abdominal insertion sigle umbilical artery umbilical vein cord mass etc ;

脐带： 帆 样 附着， 前 位血管，脐带真结，颈部脐带，腹部脐带附着，单只脐动脉，脐静脉，脐带肿块等；

Analysis of 5 Cases of Vasa Previa in Velamentous Insertion of Umbilical Cord

脐带 帆 状 附着前置血管5例分析

Methods 5 cases of vasa previa in velamentous insertion of umbilical cord were analyzed retrospectively .

方法对5例脐带 帆 状 附着前置血管进行回顾性分析。

Analysis of 3 cases with rupture of previa blood vessel of velamentous placenta

3例 帆 状胎盘前置血管破裂分析

Objective : To explore the clinical feature of velamentous umbilical cord insertion the influence to perinatal outcome the method of prenatal diagnosis and management and to prevent perinatal death .

目的探讨 帆 状 胎盘的临床特点，对围产儿的影响，以及早期诊断、 正确处理的方法，以降低围产儿死亡率。

A clinical analysis of the pregnancy complicated by blood vessel rupture of velamentous placenta

妊娠合并 帆 状胎盘血管破裂临床分析