Kumar L, Ughareja C, Tailor D. Prediction of preterm labor using ultrasound measurement of cervical length at 11 to 14 weeks and 18 to 20 weeks. Int J Reprod Contracept Obstet Gynecol [Internet]. 2025 May 8 [cited 2025 Oct. 2];14(6):1750-3. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/15510