12 Nov 2014 Blackmores Institute Low vitamin d in pregnancy can cause skull deformities in babies 12 Nov 2014 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Babies of mums who take little or no vitamin D supplements during their pregnancy have a higher risk of permanent abnormal head shape, New Zealand and Dutch research shows. The study authors found that insufficient vitamin D supplement intake during the last trimester of pregnancy and during offspring’s early infancy was linked to an increased risk of infant skull malformation. × To continue reading this article, please Log In or Sign Up for access.