What are the causes of incontinence?

There are many reasons for female urinary incontinence, which may be caused by cerebrovascular accident, brain atrophy and other central nervous system diseases, or may be caused by bladder neck surgery, rectal cancer radical operation, cervical cancer radical operation and other surgical injuries to the bladder; there may be estrogen deficiency, uterine prolapse, cystocele and other reasons caused by urethral dilator relaxation.