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新生儿出生多少周出生
更新时间: 2020-11-04 00:00:00  

通常情况下,胎儿在孕40周出生。但是大部分初产妇或者经产妇都有可能在怀孕37周到41周之间分娩。但是无论何时分娩,都要有规律性的宫缩或者阴道流液的情况下才会产生即将分娩的征象。但是怀孕37周到41周之间才叫足月儿,如果在怀孕28周到37周以前分娩的就是早产儿。早产儿生存能力低下,所以尽量避免早产儿的发生。

关键词: 新生儿 出生 多少

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