Rajendran, V. R., and M. K. “Postpartum Depression Among Women: A Systematic Review of Prevalence, Risk Factors, and Maternal Outcomes”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 14, no. 11, Oct. 2025, pp. 3955-60, doi:10.18203/2320-1770.ijrcog20253545.