Suganya, K., and Latha Maheswari Subbarayan. “Maternal and Perinatal Outcomes in Women With First Trimester Vaginal Bleeding”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 8, no. 11 (October 23, 2019): 4320–4323. Accessed October 27, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/7283.