Women's Preferences for Penis Size: A New Research Method Using Selection among 3D Models - Avg size of guys dick
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Share on Pinterest Many studies have investigated average penis size. In the Journal of Urology study, researchers found the following among the group of 80 men: An average penis size of cm ( inches) when flaccid. An average penis size of cm . Here are some key points about the average penis size. The study also found that the size of a man's erect penis was not correlated with the.