BALGOPAL SINGH BHATI; NOOREN MIRZA; NEHA GROVER; IPSA CHAUHAN. A Hospital Based Prospective Study to Assess the Correlation of First Trimester Pregnancy Outcome Using Yolk Sac Measurements and Embryonic Heart Rate at Newly Established Tertiary Care Centre. International Journal of Health and Clinical Research, [S. l.], v. 4, n. 22, p. 50–54, 2021. Disponível em: https://www.ijhcr.com/index.php/ijhcr/article/view/3504. Acesso em: 4 mar. 2026.