孕婦攝取葉酸的U型風險

懷孕吃葉酸，有助胎兒骨骼和神經系統發育，但原來孕婦葉酸水平過低或過高，都會增加嬰兒患自閉症的風險……不過婦產專科陳少慧醫生提醒，留意到有孕婦有時會誤服「藥用葉酸」，每日攝取量達5000微克的高濃度葉酸，即孕婦建議最高攝取量的3至5倍。

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Folic acid is a B vitamin. It helps the body make healthy new cells. Everyone needs folic acid. For women who may get pregnant, it is really important. Getting enough folic acid before and during pregnancy can prevent major birth defects of her baby's brain or spine.

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