What are Uterine Polyps? Uterine polyps are growth fragments in the inner walls of the uterus – the overgrowth of cells in the lining of the uterus causes the formation of uterine polyps. These are known as endometrial polyps but are non-cancerous growth fragments. However, they can eventually turn into cancer (precancerous polyps). Uterine polyps most commonly occur in women…