Types of Stress Urinary Incontinence

 
Hypermobility, (“Hyper” means too much and “mobility” refers to movement) can result from childbirth, previous pelvic surgery or hormonal changes. Hypermobility occurs when the normal pelvic floor muscles can no longer provide the necessary support to the urethra. This may lead to the urethra dropping when any downward pressure is applied, resulting in involuntary leakage.
Figure 1 Illustrating anatomy of woman without SUI
A woman without stress urinary incontinence
The bladder and urethra must be well supported by the pelvic muscles and tissue in order to prevent involuntary urine loss
 
Figure 2 Illustrating anatomy of woman with SUI
A woman with stress urinary incontinence
Weakened pelvic floor muscles allow the urethra to drop from its normal position and leak urine when pressure is placed on your bladder
 
Intrinsic sphincter deficiency, or ISD refers to the weakening of the urethral sphincter muscles or closing mechanism. As a result, the sphincter does not function normally regardless of the position of the bladder neck or urethra.

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Stress Urinary Incontinence

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