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怀孕时多少周才有奶水
更新时间: 2020-11-04 00:00:00  

一般在怀孕二十多周左右乳房就会有奶水生成的,在怀孕期间要多注意乳房的护理和保养。

妊娠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 多少 奶水

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