As soon as prolapseofcord is diagnosed, delivery should be completed immediately.
脐带脱垂一经诊断，应从速结束分娩。
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D. the fetus should be evaluated with heart rate monitoring because PROM increases the risk of umbilical cordprolapse and fetal distress caused by oligohydramnios.
因为胎膜早破可致羊水过少从而增加脐带脱垂和胎儿窘迫的危险，故应做胎心监测观察胎儿情况。
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Objective:To analyze the causes, clinical findings, labor management, way of delivery, and perinatal prognosis of revealed prolapseof umbilical cord.