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1. What is the increase in length of the average man's penis, from flaccid (soft, non-erect) to fully erect? |
You answered correctly: 75% to 100%
A flaccid penis that is small will generally increase more in length when a man gets an erection, than will a flaccid penis that is larger.
A small flaccid penis will increase in length by about 100% (i.e., double in length), while a larger flaccid penis may increase in length by 50% to 75%.
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