Sami, Rubia, and Tahira Jabeen. “COVID-19 Vaccination and the Risk of Preterm Labor: A Cross-Sectional Study in Karachi, Pakistan: Vaccination and Preterm Labor Risk ”. Journal of Women and Child Health 2, no. 1 (March 31, 2025): 12–18. Accessed February 23, 2026. https://www.jowach.com/software/index.php/js/article/view/46.