Stress Incontinence


Stress incontinence causes loss of urine unintentionally. This is essentially due to a weak pelvic floor muscles and insufficient strength of pubococcygeus muscle. The spillage of urine may also be a result of a vigorous activity or physical movement such as sneezing, coughing, or even laughing, which place pressure on the urinary bladder. Stress incontinence causes the pee to leak out from the body for the reason that the sphincteric mechanisms are incompetent to function normally.

Stress incontinence causes embarrassment for people who are suffering such condition. But this is more common in ladies rather than in men. Stress incontinence causes also isolation, and limits the social and work life of these people. Examples of these activities are leisure activities and exercise.

Stress Incontinence Causes

The following are the stress incontinence causes:

  • Thinning of urethral lining
  • Prolapse of the vagina
  • Weakened urinary bladder, pubococcygeus muscle and urethral sphincter


There is a sphincter between the urinary bladder and urethra that has posterior and anterior angles. These angles functions to make the sphincter closed in normal conditions. The proximal portion of urethra lies intra-abdominally, which produces pressure. This makes the intra-urethral pressure greater than the intra-vesical pressure. Then finally, the woman is able to void.

Stress incontinence causes the woman to feel wet even if she does not want to pee. This condition happens to a lot of women who had repeated vaginal deliveries. These women often have over-stretched or damaged muscles in the surrounding of the urinary bladder as a result of repeated vaginal deliveries.  Thus, these normal deliveries may lead to the woman to have a weak sphincter.

Stress incontinence causes involuntary urination in females who are already in the menopausal stage. This is due to the reduction of fascia that is around the neck of the urinary bladder. Some of the stress incontinence causes in menopause women are the decrease level of estrogen and atrophy of the mucosal lining of the urethra.

There are a number of stress incontinence causes. One of these is having a weak sphincter due to congenital reason. It may occur at times after some surgical operations. Like for instance, a repair of cystocele.

Having a Normal Delivery

Childbirth and pregnancy is one of the stress incontinence causes. During this event, the muscles of pelvic floor have the tendency to be flattened, weakened and even stretched. The pubococcygeus muscle usually assists the urinary bladder neck and the urethra. The place of the urethra and the urinary bladder may change. The nerves in the bladder may as well be damaged. An incision on the perineum is also done to prevent unusual tearing during normal delivery. These said complications can weaken the pubococcygeus muscle. All of these factors can be considered as part of the stress incontinence causes.

If the control of the urinary bladder is lost right after delivery, the muscles can recover within six weeks. If normal continence did not get back, it will be the time that treatment is required. Most of the time, incontinence may develop months or even years after child delivery. Women who are less probable to develop incontinence are those who exercise the muscles of their pelvic floor and are performing kegel exercise.


Menopause is also one of the few stress incontinence causes. At menopause, there is a lack of estrogen because the ovaries will stop producing this hormone. This lack of estrogen can result to the thinning of tissues that is lining the urethra. This can also make the sphincter mechanism weak. Frail weak bladder muscle can as well be a result from loss of estrogen. The urethral sphincter then cannot control over the release of pee. Thus, the lack of the hormone estrogen and incompetent sphincter can be noted as stress incontinence causes.


Below are the surgical procedures that can affect the muscles of the pelvic floor:

  • Unsuccessful surgery for stress incontinence
  • Partial or complete removal of uterus
  • Abdominal resection on patients with colorectal cancer

Surgery on the pelvic area can damage and weaken the pubococcygeus muscle. This can cause the urethra and the urinary bladder neck to drop in the moment that there is pressure applied on the abdominal area when performing physical activities. Undergoing surgery can also be one of the stress incontinence causes.


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