A case–control study of the effects of p
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Rui Gong; Zhi-Ping Wang; Li-Jie Gao; Qing-Bin Lu; Xi-Hong Sun; Zhong-Tang Zhao
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Article
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2010
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John Wiley and Sons
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English
⚖ 96 KB
👁 3 views
## Abstract **BACKGROUND:** Measures for prevention of neural tube defects (NTDs) have been recommended for many years in China, but the compliance with these measures is unsatisfactory. This study aims to compare the effect differences between planned pregnancy and unplanned pregnancy in the compl