Uthpala, V. and Gracelyn, J.L. 2022. Study of risk factors in patients with postpartum hemorrhage- an observational study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 11, 5 (Apr. 2022), 1570–1573. DOI:https://doi.org/10.18203/2320-1770.ijrcog20221296.