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怀孕三个月胎儿长多少斤正常
更新时间: 2020-11-04 00:00:00  

孕三月的胎儿,重量只有20-30克,相当于一个柠檬的重量。这时候的胎儿很小,需要的营养也不多,即使妈妈的胃口不好,也不会影响到胎儿的生长发育。同时孕妈的肚子不会有太大的变化。孕前有小肚腩的妈妈,孕后孕肚会更明显。相反,如果孕前偏瘦,或者是孕前经常运动,肚皮没有多余的脂肪,那么孕后孕肚就会不明显。孕肚大不等于胎儿大,有些孕肚很大胎儿却很小,有些孕肚小胎儿却很大。胎儿大小是由胎儿的吸收情况来决定的。而且如果胎儿是双胞胎或者是羊水过多,那么孕妈的孕肚就会很大,特别显怀。

关键词: 怀孕 胎儿 多少 正常

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