脐带脱垂

脐带脱垂 概述：脐带脱垂(prolapse of cord) 当胎膜破裂，脐带脱出于胎先露部下方，经宫颈进入阴道内，甚至经阴道显露于外阴部。脐带先露(presentation of umbilical cord... [详情]