Objective:To study the diagnosis and management of the rupture of previa blood vessel of velamentous insertion of umbilical cord.

• 目的:探讨脐带帆状附着前置血管破裂的诊断及处理。方法:回顾3例帆状胎盘前置血管破裂,分析研究其临床经过及围生儿结局。