Upadhyay, Kritika, Archana Dhok, and Arpita Jaiswal. “Impact of Changing Life Style on Age of Menarche”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 8, no. 6 (May 28, 2019): 2261–2265. Accessed October 2, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/6375.