Fahmida Shirin, Nahid Sultana, Faisal Chowdhury, Fahmida Islam Chowdhury, Munawar Sultana, Jannatul Ferdous, Shahnaj Jahan Chawdhury, Asifa Ali and Koushik Deb 2024. Prevalence and Determinants of Vitamin D Deficiency during the First Trimester: Evidence from a Major Metropolitan City in Bangladesh. Journal of Shaheed Suhrawardy Medical College. 15, 1 (Oct. 2024), 39–44. DOI:https://doi.org/10.3329/jssmc.v15i1.76891.