31 Mar 2016 Blackmores Institute Vitamin D deficiency during pregnancy may increase risk of MS in children 31 Mar 2016 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Children of mothers with vitamin D deficiency during early pregnancy appeared to be at greater risk for multiple sclerosis (MS) in adulthood, according to an article published online by JAMA Neurology. While elevated levels of vitamin D have been associated with a decreased risk of MS in adulthood, some previous research also has suggested that vitamin D exposure in utero may be a risk factor for MS in later life. × To continue reading this article, please Log In or Sign Up for access.