N. Nahar, N. Aktar, M. S. Jahan, L. Dutta, G. Nabi, and G. A. Kohinoor, “Association between body mass index in the first trimester of pregnancy and socioeconomic status with pregnancy outcomes”, Int J Reprod Contracept Obstet Gynecol, vol. 15, no. 1, pp. 56–62, Dec. 2025.