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38周成熟度多少正常
更新时间: 2020-11-05 00:00:00  

怀孕38周胎盘进入1级是正常的,如果说出现3级就标志胎盘成熟,而且胎盘成熟度3级时,要随时检查,防止胎盘老化,对胎儿造成危险。同时妊娠晚期,胎盘的功能是随着胎儿的成熟而有所下降的。胎盘老化,说明胎盘的功能明显降低,可能会影响胎儿的发育,如果胎儿发育成熟,要提前分娩。

关键词: 成熟度 多少 正常

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