To learn more about urinary incontinence, it is important to understand how the bladder works normally.
In women, the sphincter muscle is located below the bladder, surrounding the urethra. When the sphincter muscle tightens, it holds urine in the bladder. When it relaxes, the bladder contracts and the urethra opens, allowing urine to flow outside the body.
The bladder and urethra must be well supported by the pelvic muscles and tissue to allow them to work properly.
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