Can't hold urine. Why?

Urgent urinary incontinence, more common in cystitis, accompanied by frequent urination, urgency, urinary pain, but also more common in male prostatitis, TURP and TURBT after surgery, recovery period bladder overactivity, performance for urine intention to come, need to solve immediately, otherwise pee pants. Stress urinary incontinence, more common in middle-aged women, has a history of multiple vaginal births, caused by pelvic floor muscle relaxation. Urinary retention incontinence, more common in prostate hyperplasia caused by urinary retention, full bladder, there is a strong feeling of urine, urine from the urethra overflow or drip, unlike normal urination. True urinary incontinence, urine involuntary, has been flowing out of the urethra, is caused by spinal cord injury or neurogenic bladder, or TURP injury urethral sphincter.