2. Symptoms of uterine anomaly
In many cases a uterine anomaly causes no problems and in fact may remain undetected until menstruation begins or pregnancy is attempted.
If a uterine anomaly such as bicornuate uterus results in a rudimentary uterine horn with no outlet, menstrual outflow will be obstructed. This can result in pain and/or a mass similar to endometriosis that gets worse during pe