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神经管畸形(neural tube defects,NTDs)是以无脑畸形和脊柱开裂为主要表现的严重的出生缺陷,大量的研究证明,妇女孕前1个月至孕后3个月内每日服用0.4mg小剂量的叶酸能有效的降低NTDs的发生率,本文比较了服药时间不同NTDs的发生率,现报告如下。
Neural tube defects (NTDs) are serious birth defects mainly caused by anencephaly and spina bifida. A large number of studies have shown that women taking 0.4 mg small daily for one month before to three months after pregnancy The dose of folic acid can effectively reduce the incidence of NTDs, this article compared the different incidence of NTDs medication time, are as follows.