Shrestha, Pravin, Vibha Mahato, and Smita Karmacharya. “Effect of Inter-Pregnancy Interval on Maternal and Fetal Outcome”. Nepal Journal of Obstetrics and Gynaecology 15, no. 1 (June 7, 2020): 58–61. Accessed October 25, 2021. https://www.nepjol.info/index.php/NJOG/article/view/29343.