In a public-health programme in China covering about 248,000 pregnancies, 400 micrograms of folic acid a day around conception cut neural-tube defects by up to 85% in the northern high-risk region.
fact added summary: In a public-health programme in China covering about 248,000 pregnancies, 400 micrograms of folic acid a day around conc · 2026-09-27 12:04 · somebody
fact added summary: After mandatory folic acid fortification of cereal products in Canada, neural-tube defects fell by 46%, from 1.58 to 0.8 · 2026-09-27 12:04 · somebody
citation added pmid 10559448 cited as established: Periconceptional folic acid prevented neural-tube defects in China · 2026-09-27 12:04 · somebody
citation added pmid 17625125 cited as established: Folic acid fortification reduced neural-tube defects by 46% in Canada · 2026-09-27 12:04 · somebody
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