初孕妇，妊娠38周。胎膜早破行催产素引产，胎心140次／分，OCT试验出现变异减速，主要原因是A．胎儿背部受压B．脐带受压C．胎儿四肢受压D．...

作者: rantiku 人气: - 评论: 0

问题初孕妇，妊娠38周。胎膜早破行催产素引产，胎心140次／分，OCT试验出现变异减速，主要原因是

选项 A．胎儿背部受压 B．脐带受压 C．胎儿四肢受压 D．胎头受压 E．胎儿躯干局部受压

答案 B

解析

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