Jaiswal, P., Sehgal, A., Kaur, A., Goel, B., & Kochhar, S. (2021). Profile of congenital defects in foetuses: incidence and risk factors: a prospective observational study. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 10(10), 3799–3805. https://doi.org/10.18203/2320-1770.ijrcog20213840