Sontakke, Bhavana Vaikunth. “PCOS in Adolescence: Effect of Metformin on Menstrual Irregularities”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 6, no. 8 (July 26, 2017): 3490–3497. Accessed December 29, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/3078.