Begum, Farzana, Shahela Jesmin, Rokeya Khatun, Somerose Parvin, and Anisur Rahman. “Third Trimester Placental Grading by Ultrasonography and Its Relationship With Fetal Outcome”. TAJ: Journal of Teachers Association 33, no. 2 (December 31, 2020): 94–99. Accessed September 12, 2025. https://www.banglajol.info/index.php/TAJ/article/view/51345.