Human: My doctor says that I have a uterine polyp, and I'd like to find out more about them. Assistant: 
A uterine polyp is an abnormal growth of tissue in the uterus. It can be caused by hormonal imbalances or genetic factors. The most common symptoms are heavy menstrual bleeding, pelvic pain, and difficulty getting pregnant. If left untreated, a uterine polyp can cause infertility. Treatment options include medication, surgery, or both.