CHAURASIA, A.; BANO, S.; JEENWAL , A. Correlation of mid-trimester cervical length in primigravida with preterm labour. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 14, n. 4, p. 1260–1264, 2025. DOI: 10.18203/2320-1770.ijrcog20250872. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/15156. Acesso em: 2 oct. 2025.