Vitamin D deficiency is associated with BV and may contribute to the strong racial disparity in the prevalence of BV.
Maternal vitamin D deficiency is associated with bacterial vaginosis in the first trimester of pregnancy.
Bodnar LM, Krohn MA, Simhan HN.
J Nutr. 2009 Jun;139(6):1157-61. Epub 2009 Apr 8.
PMID: 19357214
doi:10.3945/jn.108.103168