Newly Diagnosed Ulcerative Colitis in the Third Trimester: A Case Report.

Ulcerative colitis is a chronic inflammatory bowel disease that results in continuous colon inflammation. It is uncommonly diagnosed during pregnancy, and if quiescent before pregnancy, becomes active very rarely. Current literature has found that amelioration of the disease can be common during the second and third trimesters. However, if ulcerative colitis is active, it has the potential to result in premature delivery and low birth weight. This case focuses on a rare presentation of primary ulcerative colitis diagnosed in a 22-year-old multiparous patient to highlight the importance of a comprehensive differential diagnosis in pregnant patients with seemingly benign symptomatology.