Vailaya, C.G.R. and Vailaya, C.R.S. 2020. Study of number of children preferred and knowledge, attitude, practice regarding birth spacing and contraception among primigravida in urban setting. International Journal of Contemporary Pediatrics. 7, 4 (Mar. 2020), 757–763. DOI:https://doi.org/10.18203/2349-3291.ijcp20201003.