Bala, Ripan, Manmeet Kaur, and Madhu Nagpal. “Can Preterm Birth Be Gainfully Prevented?”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6, no. 1 (December 20, 2016): 6–14. Accessed October 14, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/624.