Vitamin D Deficiency Is Associated With Poor Ovarian Stimulation Outcome in PCOS but Not Unexplained Infertility.
Butts SF, Seifer DB, Koelper N, Senapati S, Sammel MD, Hoofnagle AN, Kelly A, Krawetz SA, Santoro N, Zhang H, Diamond MP, Legro RS. Vitamin D Deficiency Is Associated With Poor Ovarian Stimulation Outcome in PCOS but Not Unexplained Infertility. J Clin Endocrinol Metab. 2019 02 01; 104(2):369-378.