Singh, P. T., S. D. Singhvi, U. Kachhia, T. Punjabi, S. Punjabi, and R. Punjabi. “Retrospective Study of Multiple Factors Imparting Effect on Pregnancy Outcomes in an in-Vitro-Fertilization Centre”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 9, no. 6, May 2020, pp. 2516-9, doi:10.18203/2320-1770.ijrcog20202340.