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怀孕7个半月是多少周
更新时间: 2020-11-05 00:00:00  

30周,因为一个月是4周,半个月是2周。怀孕是指胚胎或胎儿在哺乳类雌性体内孕育成长的过程。人类妊娠全过程共分为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: 怀孕 半月 多少

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