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六个月羊水是多少正常
更新时间: 2020-11-04 00:00:00  

六个月羊水指数80-180mm正常,羊水最大深度30-80mm。羊水的成分98%是水,另有少量无机盐类、有机物荷尔蒙和脱落的胎儿细胞。羊水的重量,一般来说会随着怀孕周数的增加而增多,在20周时,平均是500毫升;到了28周左右,会增加到700毫升;在32~36周时最多,约1000~1500毫升;其后又逐渐减少。因此,临床上是以300~2000毫升为正常范围,超过了这个范围称为"羊水过多症",达不到这个标准则称为"羊水过少症",这两种状况都是需要特别注意的。

关键词: 羊水 多少 正常

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