July 27, 2017 – Vitamin D deficiency in pregnant moms is shown to negatively affect fetal growth and children’s health in the long run. Deficient gestational vitamin D status is surprisingly high both globally and in the US. One of the findings that draws attention is the role of vitamin D during pregnancy in children’s chances of developing Autism Spectrum Disorders (ASD). Vitamin D is acquired through sun exposure or food intake. The circulating form of vitamin D can travel through the fetal-placental barrier, thus, developing babies depend solely on their mothers for getting this beneficial nutrient.