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孕妇 叶酸吃多少正常
更新时间: 2020-11-04 00:00:00  

一般建议从孕前3个月开始服用叶酸,至孕后3个月,每天1次,每次0.4mg。服用叶酸,目的是可以预防胎儿神经管发育畸形。在怀孕3个月以后,有条件的孕妇,可以停用叶酸,服用含有叶酸的多种维生素,为胎儿发育提供更全面。

关键词: 孕妇 叶酸 多少 正常

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