Why does my penis shrink after going swimming?


Question:
After gettiing out of the pool from swimmming, I always notice that I am "smaller" than usual for a while. This always happens. I assume I am not the only one this happens to. I'm not worried.. just curious as to why..does it have to do with the chlorine in the water??

Answers:
not chlorine, its the temperature: male testes are outside the body for a reason, and that is to regulate heat. Cold temperatures retract the gear to conserve heat, just as higher temps cause things to deploy further

Other Answers:
maybe because the water is cold?
just a suggestion
nope, it has to do with the cold water.
cold water - happens to everyone
Maybe your penis is fake
cold water shrinks all the skin, dont worry this happens to all
Don't swim then!
haha this makes me glad that im a girl! hehe
WOW! Really? I'd get that one checked out. It sounds like you have a problem. Could be signs of early impotence.

I'd check with my doctor SOON. The quicker you treat it, the less likely there will be permanent effects.
It's not the chlorine, it's the temperature. The "shrinkage" is a natural reaction to cold. Sperm production is sensitive to temperature, so male genitals move closer to or further from the pelvis as needed to maintain the temperature. When it's cold, they move in somewhat where it's warmer, and when it's hot, they move outward to help keep from absorbing too much body heat.
Your testicles must be kept at 34 degrees celcius, 3 degrees colder than the rest of your body. When it gets cold out (like in a pool), your scrotum tightens to bring your testicles closer to your body to warm them up. One of the muscles involved in this scrotum tightening is also connected to the portion of your penis inside your body (about 1/3), drawing it further into you as well.
your penis is spongy tissue...
two things contribute to shrinkage ...

first...blood goes to the muscles you are using in the water...
- away from the areas you aren't using -

the second thing...
as spongy tissue with no warm blood to keep it...
...erm...
spongy

the cold water helps its size to ramain....
reduced.
I am a girl and I know it. Well you know you have testies? they are at a higher or lower temperature than your body is, at all times...well when you get out of the water, the molecules in your penis move slowly because of the coldness, and they tend to pull closer together, like people in the public buss when it's really cold outside. Well the shrinkinnes of the penis happens because of hte protective hormone in your testies that tries to keep it at the right temperature.
For me, it gets bigger, as swimming makes me horny... This means that if you're excited, it'll get bigger...

So, the effect on you is because of the temperature... I doubt that this happen to you in warm water...
It's just the chlorine and the cold water. I mean your fingers are puriney after swimming,or showering


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