Nagarkatti, R., Mehra, D., Mandal, S., Dhawan, A., Joshi, P., Nagarkatti, N., Chinda, M. and Jaiswal, A. 2022. Real-world evaluation of safety and effectiveness of dydrogesterone in the management of threatened abortion. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 11, 8 (Jul. 2022), 2096–2100. DOI:https://doi.org/10.18203/2320-1770.ijrcog20221833.