A recent follow-up to the MAVIDOS trial showed that vitamin D supplementation during pregnancy improves offspring bone mineral density up to seven years of age. The study involved 965 participants, with 477 children assessed at four years and 447 at six to seven years. Children whose mothers took vitamin D had higher bone mineral density. Interestingly, infants born in winter months showed higher bone mineral content. Maternal vitamin D supplementation may improve bone density in children through various mechanisms, including calcium absorption and epigenetic mechanisms. Further research is needed to understand these effects and guide recommendations for vitamin D supplementation during pregnancy.
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Vitamin D during pregnancy boosts childhood bone health for years, study shows
