Saddiqa, Ayesha, et al. “Descriptive Analysis of Cervical Insufficiency in Primigravida: Insights into Cerclage Intervention and Clinical Impact”. Pakistan Journal of Medicine and Dentistry, vol. 14, no. 2, Apr. 2025, pp. 88-93, https://doi.org/10.36283/ziun-pjmd14-2/015.