# Sports & Women = Erect Nipples--Why?

**URL:** <https://boards.straightdope.com/t/sports-women-erect-nipples-why/57508>\
**Category:** Factual Questions\
**Created:** [March 11, 2001, 3:56am UTC](https://boards.straightdope.com/t/sports-women-erect-nipples-why/57508 "2001-03-11T03:56:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Jeffism15](https://avatars.discourse-cdn.com/v4/letter/j/53a042/32.png) [@Jeffism15](https://boards.straightdope.com/u/Jeffism15)\
**Post date:** [March 11, 2001, 3:56am UTC](https://boards.straightdope.com/t/sports-women-erect-nipples-why/57508/1 "2001-03-11T03:56:50Z")

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I was watching a tennis tournament the other day & to my stupefaction many (not all) of the female players had erect nipples once they started to fully exert themselves. Is there a biologoical reason for this? Is it the same bodily function that gives both sexe’s hard nipples when we get cold?

I’m hoping i took ALL precautionary measures as to not offend anyone regardless of one’s gender.

Thanks

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**Author:** ![Wyvern](https://avatars.discourse-cdn.com/v4/letter/w/ebca7d/32.png) [@Wyvern](https://boards.straightdope.com/u/Wyvern)\
**Post date:** [March 11, 2001, 4:04am UTC](https://boards.straightdope.com/t/sports-women-erect-nipples-why/57508/2 "2001-03-11T04:04:47Z")

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As a woman, I can say that nipples have a mind of their own. Mine do tend to become errect when I’m working out or hiking (or just sitting around doing nothing). The only explanation I can think of is that they may be reacting to endorphines produced from the physical activity? Or their sports bra chaffs in a stimulating way. 🙂