Matern Child Nutr. 2015 Aug 11. doi: 10.1111/mcn.12209. [Epub ahead of print] Periconceptional folic acid fortification for the risk of gestational hypertension and pre-eclampsia: a meta-analysis of prospective studies. Yang X, Chen H, Du Y, Wang S, Wang Z. Abstract Published literatures report controversial results about the association of folic acid-containing multivitamins with gestational hypertension […]