THE ROLE OF ULTRASOUND IN DETECTION OF EARLY SIGNS OF THREATENED ABORTION IN FIRST TRIMESTER OF PREGNANCY . Pakistan Journal of Medical & Cardiological Review, [S. l.], v. 5, n. 2, p. 3219–3235, 2026. DOI: 10.66021/pakmcr1100. Disponível em: https://pakjmcr.com/index.php/1/article/view/1100. Acesso em: 10 nov. 2026.