Maternal vitamin D deficiency remains a substantial health problem in many areas. In addition to nutritional factors and the use of vitamin D supplements, other factors, such as genetic determinants and the current Western indoor lifestyle, affect not only vitamin D status but also bone strength and mineral accrual. Many health authorities recommend maternal vitamin D supplementation to prevent vitamin D deficiency and associated adverse pregnancy and offspring outcomes.1 Commonly, daily supplementation of 400 to 600 IU of vitamin D is recommended for pregnant women.
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Holmlund-Suila E, Hauta-alus HH, Andersson S. Maternal Vitamin D and Offspring Bone Mineral Parameters and Growth. JAMA Pediatr. 2020;174(5):409–410. doi:10.1001/jamapediatrics.2019.6102
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