Anna C. Verkleij-Hagoort

j Abstract Background Pericon-ceptional use of multivitamins reduces the risk of a child with a congenital heart defect (CHD). Data on the impact of maternal diet, however, are lacking. Aim of the study We investigated the association between the maternal dietary intake of B-vitamins and having a child with a CHD. Meth-ods A case–control study was performed in 192 mothers of a child with a CHD and 216 mothers of a healthy child. Mothers filled out food frequency questionnaire