Yadav, Munmun, Mahendra Kumar Verma, Mohan Bairwa, Govardhan Meena, and Lata Rajoria. “Prevalence of Vitamin D Deficiency and Effect of Vitamin D Supplementation on Feto-Maternal Outcome in Tertiary Care Centre”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 7, no. 12 (November 26, 2018): 4912–4918. Accessed October 27, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/5617.