Unicornuate uterus is a rare uterine anomaly resulting from the abnormal development of one of the M¨¹llerian ducts. This abnormality usually manifests with dysmenorrhea, dyspareunia and pelvic pain appearing a few months after menarche, although there are late or even asymptomatic presentations. Clinicians should be aware of the importance of this rare congenital anomaly of the female genital tract, especially when symptoms occur shortly after menarche, because without early diagnosis and treatment, patients carrying this anomaly may develop endometriosis, infertility, and severe complications.
We report the case of a 15-year-old girl with chronic pelvic pain caused by a unicornuate uterus with a noncommunicating rudimentary horn.