Maternal Folic Acid Supplementation and Neural Tube Defects in Northeast Iran: Insights for Developing Countries

Background

Neural tube defects (NTDs) are among the most common severe congenital malformations, caused by incomplete closure of the neural tube in the third and fourth weeks after conception. This study aimed to investigate potential maternal and environmental risk factors associated with NTDs in newborns under the coverage of Mashhad University of Medical Sciences.