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A 44-year-old member asked:

what is the average size of an adult's bladder?

1 doctor answer1 doctor weighed in
Dr. Simon Kimm
Urology 16 years experience
Varies; 13-20 fl.oz.: There is, of course, a wide range. You can say that the average male bladder capacity is around 400-600ml, or 13-20 fluid ounces. This would be the volume voided after holding urine to the point of severe urgency. If the patient is under anesthesia and the bladder distended with water, the bladder can usually hold even more, around 1000ml or 33 fl. Oz.

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Last updated Aug 8, 2018
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