C. K. Tiwari, N. Khalique, A. Ahmad, S. Khalil, Urfi, and J. Pandey, “Contraceptive Awareness, Utilization, and Unintended Pregnancy Among Currently Pregnant Women: A Cross-Sectional Study in a North Indian District”, Indian Journal of Community Health, vol. 38, no. 1, pp. 121–126, Feb. 2026.