Chatterjee, Sunipa, Kamlesh Yadav, Parul Prakash, and Kirti Shekhawat. 2017. “Foetal Kidney Length As a Parameter for Determination of Gestational Age in Pregnancy by Ultrasonography”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 5 (6):1949-52. https://doi.org/10.18203/2320-1770.ijrcog20161696.