03 Mar 2016 Blackmores Institute Pregnancy vitamin D supplementation may help winter babies bones 03 Mar 2016 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Vitamin D supplementation during pregnancy may lead to stronger bones in babies born during the winter months, a new study has shown. Researchers from the Medical Research Council (MRC) Lifecourse Epidemiology Unit, University of Southampton, recruited over 1,000 pregnant women across Southampton, Oxford and Sheffield to the MAVIDOS study, a randomised, double-blind, placebo-controlled trial of vitamin D supplements in pregnancy. × To continue reading this article, please Log In or Sign Up for access.