关于维生素与胎儿正常发育的关系,下列说法正确的是

A、叶酸严重缺乏时,出生的先天畸形儿较多
B、维生素D缺乏会使胎儿骨骼发育异常
C、维生素D缺乏会使胎儿骨骼发育异常
D、以上均正确
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正确答案:

D

答案解析:

暂无解析

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