Tyagi, S., Aditya, V., Srivastava, R. and 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 (Feb. 2017), 2104–2108. DOI:https://doi.org/10.18203/2320-1770.ijrcog20161907.