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Enlarged Prostate Symptoms and Causes. In men, urine flows from the bladder through the urethra. BPH is a benign (noncancerous) enlargement of the prostate that blocks the flow of urine through the urethra. The prostate cells gradually multiply, creating an enlargement that puts pressure on the urethra -- the chute through which urine and semen exit the body.
Itâs inflammation of the prostate gland that could be due to infection. It can cause the prostate to swell and put pressure on your urethra. This can result in urinary hesitancy. Urinary tract infections and sexually transmitted infections can also lead to problems with urine flow in both men and women.