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There's no "exact" or "proper" penis size at 17. Usually our penises are fully grown at this later stage of puberty; however, late on-set puberty could mean your penis could still be developing. The average fully erect penis for adults is around 5.5 - 6.0 inches in length. Flaccid penis size varies greatlyfrom very small (which tend to be "growers") or could be very large in the flaccid state (called a "Show-er"). If your erect penis is anywhere in the range of 5-6.5 inches, your penis size will be among 90% of other guys having penis sizes in the same range as you. Only around 5% of other guys will have penises larger than your erect penis. Rest assured that you will likely never have a girl think your penis is in any way 'small' if you have a penis size in the median range; likely she will even think your penis is large & be quite excited and very horny to take it!

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15y ago

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