During pregnancy the supply of folic acid from daily diet exclusively is not enough, and folic acid fortified food is indispensable.
孕期只通过膳食补充叶酸是不够的，还需要摄取含叶酸的维生素类补给品。
During pregnancy the supply of folic acid from daily diet exclusively is not enough, and folic acid fortified food is indispensable.
孕期只通过膳食补充叶酸是不够的，还需要摄取含叶酸的维生素类补给品。
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