Role of Early Pregnancy Ultrasound Markers for Predicting Miscarriage: A Systematic Review. Pakistan Journal of Medical & Cardiological Review, [S. l.], v. 5, n. 2, p. 4256–4269, 2026. DOI: 10.66021/pakmcr1231. Disponível em: https://pakjmcr.com/index.php/1/article/view/1231. Acesso em: 12 jun. 2026.