Does vitamin D supplementation reduce GDM risk in pregnant women?

Label:chem

Topic
RCTs have tested whether vitamin D supplementation lowers GDM incidence.
Answer
Results are mixed. Yap et al. (2014) found that high-dose vitamin D supplementation (5000 IU/day) did not improve maternal glucose levels, but prevented neonatal vitamin D deficiency. Shahgheibi et al. (2016) reported reduced GDM risk in high-risk women supplemented with vitamin D.
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