Some evidence has shown that vitamin D deficiency may increase the risk of gestational diabetes.
Link to Publication: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5800395/pdf/fendo-09-00007.pdf
WYE-EM-060-MAR-18
Amraei M, et al. Effects of Vitamin D Deficiency on Incidence Risk of Gestational Diabetes Mellitus: A Systematic Review and Meta-analysis. Front Endocrinol (Lausanne). 2018;9:7.