Rai, Gunjan, Sudhirman Singh, and Bikram Bhardwaj. 2021. “Invasive Genetic Testing in Pregnancy: Experience from a Tertiary Care Center”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 10 (5):1991-96. https://doi.org/10.18203/2320-1770.ijrcog20211525.