Tyagi, S., Aditya, V., Srivastava, R., & Gupta, G. (2017). Changing trends in intrauterine contraceptive device: from interval intrauterine contraceptive device to postpartum intrauterine contraceptive device: a prospective observational study in a tertiary care hospital in eastern Uttar Pradesh. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 5(7), 2104–2108. https://doi.org/10.18203/2320-1770.ijrcog20161907