IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-2-40760 Original Research Paper Evaluation of Metformin versus Insulin in the Management of Gestational Diabetes Mellitus: A Prospective Comparative Study Preeti Singh Dr. Dr. [Prof.] Abha Rani Sinha Dr. February 2022 11 2 01 02