If we sit long enough at the toilet, how is it possible that we are able to pee again the 2nd or 3rd time?

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I’m a woman (so not sure if men experience this too) and sometimes I just pee the 1st time and sit there and browse on my phone. But then I am able to try again and have small bursts of pee the 2nd time. Sometimes if I wait a few minutes more, I can pee a bit the 3rd time! Once a nurse told me to empty my bladder for an ultrasound but specifically instructed me to wait a few mins to pee the 2nd time to make sure my bladder is for sure empty.

Why can’t our bladder empty out on the first try?

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5 Answers

Anonymous 0 Comments

Let’s say you’ve got a gallon of milk in the refrigerator, and there’s a tiny hole in the bottom of the jug, so you put a cup underneath the jug to catch the milk that’s spilling out. The cup fills up, so you empty it and put it back—and eventually, it’ll fill up again, even though you haven’t added more milk to the fridge since you last emptied the cup!

In this metaphor, your body is the fridge, your bladder is the cup, and your milk jug is the route water takes from your digestive system through the rest of your body’s organs and other systems prior to its arrival in your bladder.

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