“Accuracy of Ultrasonography for Gestational Age Estimation Compared With Last Menstrual Period: A Cross-Sectional Study: Https: doi.org 10.5281 Zenodo.18210578”. Pakistan Journal of Medical & Cardiological Review 4, no. 4 (January 10, 2026): 2422–2428. Accessed June 27, 2026. https://pakjmcr.com/index.php/1/article/view/463.