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Postpartum Bladder Dysfunctions: What Did Pregnancy Do to Your Bladder? 

Although pregnancy can be a magical experience, it can also cause stress on your bladder, sometimes leaving long-lasting effects. This article helps you learn more about the causes, symptoms, risk factors, and treatments for postpartum bladder dysfunctions such as urinary retention, urinary incontinence, and urinary urgency. 

What happens to your bladder during pregnancy and childbirth? 

Starting with early pregnancy, the bladder undergoes a series of changes due to hormonal, neurological, and mechanical stress. The frequency of urination begins to increase in the first trimester and keeps on increasing as the baby grows and presses on the bladder. 

The bladder rests on the lower uterine wall and is loosely connected to the uterus via a membrane. As the uterus grows, the bladder is stretched but its capacity is not increased—this makes the bladder more irritable, creating the feeling of urgency. 

Urgency and urinary incontinence are common during pregnancy, often causing dribbling and can persist after childbirth depending on the degree of pelvic floor trauma.  

Another condition women may develop is postpartum urinary retention (PPUR). Postpartum urinary retention is defined as the absence of spontaneous micturition (the action of urinating) more than six hours after birth or when residual urine volume after urination is more than 150 cc. If neglected, postpartum urinary retention may result in damage to the nerves and muscle of the bladder, leading to permanent bladder voiding dysfunction.

To treat urinary retention, doctors often prescribe intermittent catheters, which are thin tubes that are inserted into the bladder through the urethra to drain urine out.

How common is postpartum urinary retention (PPUR)?

According to one study, out of the 234 women recruited for the research, 8.1 percent of women developed urinary retention postpartum. Out of the 8.1 percent, 7.7 percent of women exhibited symptoms of PPUR, while 0.4 percent did not. 

Risk factors for postpartum urinary retention (PPUR)

Different studies (study 1 and 2) draw different conclusions on what factors increase the risk of getting postpartum urinary retention. Here are some of the potential risky elements: 

  • The lack of bladder catheterization during labor
  • Prolonged second and third stage of delivery 
  • Episiotomy (a surgical cut made to the vagina during labor)
  • Epidural analgesia (having regional epidural administered during labor)
  • Perineal tear and sphincter rupture 

Causes of postpartum urinary retention 

The causes of postpartum urinary retention are still unclear. Some physiologic, neurologic, and mechanical causes that may be responsible are: 

  • An increase in progesterone level, which inhibits the bladder muscle and leads to urinary retention. 
  • Vaginal delivery that is traumatic for the pelvic floor muscles and their nerves, resulting in floppy tone or reduced bladder sensitivity. 
  • Edema of tissues surrounding the urethra and the vulva as the result of vaginal delivery,  which leads to obstruction of the urethra and thus leads to urinary retention. 
  • Holding back while urinating because it is painful to urinate 

Symptoms of postpartum urinary retention

  • Pain over the bladder
  • Difficulty starting stream and weak stream
  • lack of urge to urinate
  • frequent urination and nocturia (waking up at night to urinate more than twice)
  • involuntary dribbling

Other times, postpartum urinary retention has no symptoms and is considered ‘covert’ and may not be picked up. One episode of retention increases the chance of another one so early diagnosis and intervention are crucial to prevent long term consequences.

Diagnosis of postpartum urinary retention

If the person is unable to void (urinate) within six hours of delivery, she will be diagnosed for PPUR in one of two ways:  

  • After the patient has voided once, a cather is used to draw out retained urine in the bladder/ The volume of urine is measured and any amount over 150ml is indicative of postpartum urinary retention.
  • The volume of retained urine can also detected by an ultrasound 

Postpartum urinary retention complications

If neglected, urinary retention may result in 

In some cases, bladder infections can present as urinary retention but that is rare. It is more likely that the retention itself leads to a bladder infection.

Treatments for postpartum urinary retention

  • Home remedies: timed voiding—urinating on a set schedule, and double voiding—voiding once, then voiding again in 10-15 to ensure complete drainage.  
  • Prescribed drugs. If you are breastfeeding, you would need to discuss the effects of the drugs in detail with your doctor. 
  • Catheter: your doctor may prescribe you with an intermittent catheter to help you drain completely every time you go.

If you have a prescription for an intermittent catheter, here is a comprehensive guide on how to choose the best catheter that is useful for both beginners and seasoned users. The guide helps you make important considerations such us catheter discretion, portability, infection risks, size, and tip. 

If you have urinary retention, check out CompactCath!

CompactCath offers discreet, compact, and easy-to-use intermittent catheters in various tips and sizes. Try them out for free by clicking the button below.

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CompactCath is designed by a team of physicians, mechanical engineers, and MBAs from Stanford (Stanford d.school). It is FDA-cleared in 2014, won two iF product design awards (2016, 2017), was covered by CNN Money,  holds six patents, and won the BioDesign Spectrum grant and the LPCH Pediatric Innovation grant.

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