M., P., and P. Sondararajan. “Immediate Postpartum Intrauterine Contraceptive Device Insertion: A Prospective Follow up Study”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 6, Jan. 2017, pp. 1902-5, doi:10.18203/2320-1770.ijrcog20161687.