W. B., Anu Bhargavi, Sailatha R., and Anuradha C. R. “Changing Trends of Causative Factors in Antenatal Mothers With Bad Obstetric History: A Retrospective Study”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 10, no. 9 (August 26, 2021): 3371–3374. Accessed October 13, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/10645.