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), pp. 2104–2108. doi: 10.18203/2320-1770.ijrcog20161907.