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怀孕20天胎儿大小是多少正常
更新时间: 2020-11-05 00:00:00  

怀孕20天胎儿大小才0.2cm左右。受精卵刚完成着床,羊膜腔才形成,体积很小。早孕期需要注意的饮食有:不吃太多辛辣食品;不吃垃圾食品,注重饮食的健康,多吃富含蛋白又容易消化的食物;口服补充叶酸,叶酸的补充是一个长期的过程,它能够有效的降低胎儿畸形。

关键词: 怀孕 胎儿 大小 多少 正常

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