D. the fetus should be evaluated with heart rate monitoring because PROM increases the risk of umbilical cord prolapse 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。
Conclusions: The overall rate of caesarean section has risen because of Excessive diagnosis of fetal distress and social factors, but perinatal mortality has not decreased.
结论胎儿窘迫的过度诊断和社会因素在一定程度上增加了剖宫产率，但围产儿死亡率并未下降。
Conclusion Abnormal fetal heart rate curve is important value in diagnosis fetal distress.
结论：胎心异常曲线对胎儿宫内窘迫的诊断具有重要价值。
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