Periconceptional Folic Acid Use and Its Effects on Neural Tube Defects - Five Counties, Shanxi Province, China, 2010-2016.

China CDC Wkly · 2023 · PMC10527405 · PMID 37771626

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an increasing trendno p-value reported

After the implementation of a national folic acid supplementation program in 2009, periconceptional intake in these areas displayed an increasing trend, albeit remaining significantly lower than that in Beijing, which is at 97.2% ( 6 ).

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