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怀孕33周正常胎盘是多少
更新时间： 2020-11-04 00:00:00  

怀孕33周已经进入孕晚期，胎盘成熟度大致是一到二级。胎盘成熟度通常有四级：0级是未成熟，多见于孕中期；1级开始趋向成熟，多见于29-36周；2级为成熟期，多见于36周以后；孕38周以后胎盘成熟度多提示3级。但是临床上已经不再以胎盘分级来判断胎儿是否存在宫内缺氧，而是结合胎心监护、胎动、羊水量、胎儿呼吸运动、胎儿肌张力来判断胎儿宫内储备。

关键词： 怀孕 正常 胎盘 多少

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