Author: Sam Killian, MD Educational Pearls:   Hematometra: uterus filled with blood due to obstruction of outflow tract. Most commonly a result congenital abnormalities (imperforate hymen, transverse vaginal septum, etc.) but can be acquired due to cervical stenosis, intrauterine adhesions, neoplasms, and post-surgical scarring. Symptoms include: pain, abnormal bleeding, enlarged uterus Diagnosis: commonly achieved by ultrasound and physical exam. Treatment is surgical (cervical dilatation, hysteroscopy, etc.).   References U Nayak A, Swarup A, G S J, N S. Hematometra and acute abdomen. Journal of Emergencies, Trauma and Shock. 2010;3(2):191-192. doi:10.4103/0974-2700.62117. Kotter HC, Weingrow D, Canders CP. Hematometrocolpos in a Pubescent Girl with Abdominal Pain. Clinical Practice and Cases in Emergency Medicine. 2017;1(3):218-220. doi:10.5811/cpcem.2017.3.33369.