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孕妇在多少周分娩

更新时间: 2020-11-04 00:00:00     

正常现象分娩是孕37~42周之内。临床将妊娠全过程分为40周。一般情况孕40周左右正常分娩。临床上按4周为一个月,即整个孕期是280天左右。妊娠满28周至不满37足周分娩者称为早产。平时月经周期规则妊娠达到或超过42周,尚未临产,称为过期妊娠。而整个孕期又分为3个时期:妊娠12周末以前称早期妊娠、第13~27周末称中期妊娠、第28周及其后称晚期妊娠。

关键词: 孕妇 多少 分娩

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