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33周孕妇羊水是多少
更新时间: 2020-11-04 00:00:00  

33周孕妇羊水正常指数应当在8-18厘米之间,是由上下左右四个区域羊水深度相加所得。

所谓羊水,是指怀孕时子宫羊膜腔内的液体。在整个怀孕过程中,它是维持胎儿生命所不可缺少的重要成分。在胎儿的不同发育阶段,羊水的来源也各不相同。在妊娠第一个三月期,羊水主要来自胚胎的血浆成分。之后,随着胚胎的器官开始成熟发育,其他诸如胎儿的尿液、呼吸

关键词: 孕妇 羊水 多少

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