Association between folic acid food fortification and hypertension or preeclampsia in pregnancy

From April 1990 to March 2000, the overall rate of preeclampsia did not significantly change before (3.8%) and after (3.7%) the introduction of a mandatory Canadian folic acid food fortification program in January 1998.

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Ray JG, Mamdani MM. Arch Intern Med. 2002; 162(15):1776-7.

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