“Efficacy and Regional Validation of the Fetal Femur Length to Abdominal Circumference (FL AC) Ratio As a Gestational Age-Independent Biometric Parameter in Uncomplicated Second and Third-Trimester Pregnancies”. International Journal of Multidisciplinary Research and Studies, vol. 1, no. 1, Nov. 2026, https://ijmrs.org/index.php/ijmrs/article/view/4.