How Female Bladder Capacity Changes with Age
If you find yourself going to the bathroom more often, not making it in time, or leaking urine by accident, you’re not alone. Bladder control problems are prevalent among women and usually become more noticeable with age. Many women wonder whether their bladder capacity changes over time, and understanding how it does can help improve comfort and confidence.
This article by the Pelvic Awareness Project explains average female bladder capacity by age, what is considered healthy, and how your lifestyle, including pelvic floor exercises, can help. Read on to find out practical tips to maintain comfort, reduce urgency, and support bladder health at every stage of life.
Is My Bladder Shrinking? Bladder Capacity Changing?
If you’re peeing a lot, or you leak pee regularly, you might think your bladder is shrinking. You’re not the only woman wondering what’s wrong.
Consider this:
- Urinary incontinence, or leaking urine accidentally, impacts up to 50% of all women.(1)
- The number of women suffering from UI increases to 75% over the age of 65.(2)
- Urge incontinence, which is an urgent, uncontrollable need to pee several times during the day and night, affects about 40% of women at some point in their lives.(3)
Bladder capacity changes with age, but a shrinking bladder does not cause it. Several factors affect bladder capacity in women, and aging can change how often you pee and whether you have problems with leaking urine.
How Much Pee Does a Bladder Hold?
So, how much urine does a bladder hold? A woman’s bladder holds up to 500 ml or about 2 cups of urine. As the bladder fills, it expands like a balloon. At some point, nerves send a signal to the brain alerting it that it’s full and needs to be emptied. You’ll typically feel the need to pee when about 150-250 ml of urine is in the bladder.(4)
As you age, the size of your bladder doesn’t shrink, but the organ does undergo other changes. The elastic tissues that line the bladder wall begin to stiffen. That makes the bladder less stretchy, so its capacity decreases. The bladder muscles also weaken, making bladder control more difficult.(5)
How Women Are Impacted
While men see changes as they age, a woman’s unique anatomy and biology affect her differently. For instance, the declining levels of estrogen caused by menopause result in weakened muscles, which impact several key parts of our bladder control system.
First, the natural process of aging can weaken a woman’s pelvic floor, which plays an important role in holding urine in until you gets to a bathroom. As a result, weakened pelvic floor muscles can lead to urinary leakage.
The urethra also changes as we age. This hollow tube that carries urine from the bladder out of the body tends to become shorter, and its lining thins. This reduces the urinary sphincter's ability to close completely, which can lead to incontinence.(5)
Problems with Bladder Control
Aging can result in bladder problems like urinary incontinence, increased urgency, and problems with urinary retention. As a result, bladder control problems are prevalent in women, with researchers estimating that approximately half of all women experience some type of urinary incontinence.1
Conditions include:
- Urinary incontinence occurs in several forms, including the most common stress urinary incontinence or SUI, which is when pee leaks when you put pressure on the bladder by coughing or laughing.
- Urge incontinence, that urgent, uncontrollable need to pee that results in leakage, is often caused by an overactive bladder.
- Other aging issues include uninhibited bladder contractions, an age-related reduction in bladder capacity, incomplete bladder emptying, or incomplete urethral closure.6
Want to know more about common concerns like stress urinary incontinence, which impacts up to 35% of women? Review this comprehensive look at SUI, including symptoms and what you can do about it.
If you have any increased urgency or episodes of incontinence, see your doctor for support and diagnosis. You may have an underlying condition that can be treated, and your doctor can also provide guidance on bladder control and general pelvic health. Use the Pelvic Awareness Project’s Physician Finder to find a doctor near you with expertise in women’s health.
How To Keep Your Bladder Healthy
So now you know your bladder does not shrink as you age, but it does change over time. Fortunately, there are steps you can take to look after your bladder and its surrounding tissues.
Here are five steps to keep your bladder healthy and support good bladder control.
1. Perform Kegels:
Women of all ages should add Kegels, or pelvic floor muscles exercises, to their daily routine. These exercises are done by contracting and then relaxing those muscles that hold in urine or gas. Doing them keeps your pelvic floor muscles “fit,” just like strengthening other muscles in your body with weights. Kegels can help you better control your bladder and bowels and prevent your pelvic muscles from weakening.(7)
In fact, research has shown that Kegels are effective as treatment and as a preventative measure to keep those important muscles strong.
2. Practice Good Bathroom Habits:
Use the bathroom when you need to, because holding urine in too long can weaken the muscles and make you prone to a bladder infection. Relax the muscles when sitting on the toilet, and take enough time to empty the bladder fully.(8)
3. Maintain a Healthy Lifestyle:
That includes regular exercise, healthy eating, and maintaining a healthy weight. People who are overweight may be at higher risk for leaking urine, and sitting for long periods of time can lead to incontinence issues.
4. Watch What You Eat and Drink:
Some foods and drinks can make bladder problems worse. That includes artificial sweeteners, spicy foods, citrus fruits and juices, and tomato-based foods. Alcohol and caffeine can also irritate the bladder and increase symptoms such as frequent or urgent need to urinate.8 Keep a food diary to see what bothers you.
5. Drink Plenty of Fluids, Especially Water:
People with bladder issues often cut back on fluids, but your body needs water to stay healthy. A general guideline is to drink enough fluids that you need to pee every few hours.8
While your bladder capacity may change with age, you can take steps to keep your bladder healthy throughout your life. If you have any concerns, you should see a healthcare provider for guidance.
It’s OK If Your Bladder Changes As you Age
Understanding how female bladder capacity changes with age is an important part of maintaining women’s health. While aging can naturally affect bladder control and pelvic floor strength, there are many ways to protect and support your bladder health—through pelvic floor exercises, healthy habits, and early intervention.
If you’re experiencing bladder leaks, urgency, or discomfort, help is available. The Pelvic Awareness Project connects women to trusted providers who specialize in women's pelvic health. Find a pelvic health doctor near you with our Physician Finder Tool.
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3- https://my.clevelandclinic.org/health/diseases/22161-urge-incontinence
4- https://www.ncbi.nlm.nih.gov/books/NBK279384
5- https://nafc.org/bhealth-blog/urinary-changes-to-prepare-for-as-you-age/
6- https://pmc.ncbi.nlm.nih.gov/articles/PMC1472849/
7- https://my.clevelandclinic.org/health/articles/14611-kegel-exercises
8- https://www.nia.nih.gov/health/bladder-health-and-incontinence/15-tips-keep-your-bladder-healthy
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