SHARMA, R.; MINHAS, S.; SOOD, R. To study the efficacy of digital and transvaginal ultrasonographic measurement of cervical length in asymptomatic high risk women at POG 16-24 weeks as a predictor of preterm delivery and progesterone and cerclage vs. progesterone alone for short cervical length in prevention of preterm labour. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 4, n. 1, p. 146–151, 2017. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/1826. Acesso em: 14 oct. 2025.