K. Rani, N. K. Pangtey, G. Khanna, and M. Rani, “Postpartum intrauterine contraceptive device (PPIUCD) insertion: practices and aftermath at tertiary care centre”, Int J Reprod Contracept Obstet Gynecol, vol. 7, no. 11, pp. 4742–4746, Oct. 2018.