Balsane, Rujuta, Jyotsna Vyas, Lata Rajoria, Pratibha Agarwal, and Surbhi Gupta. “To Study the Association Between Initial Fetal Crown-Rump Length and Subsequent Abortion in a Viable First Trimester Pregnancy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 5, no. 6 (January 5, 2017): 1744–1747. Accessed December 4, 2025. https://www.ijrcog.org/index.php/ijrcog/article/view/1193.