Hi.... The typical erect penis is usually 5 to 6 inches long with a circumference of 4 to 5 inches. There's more variation in the size of flaccid penises.
Some guys are genuinely smaller than that. In rare cases, genetics and hormone problems cause a condition called micropenis -- an erect penis of under 3 inches. Sometimes Peyronie's disease can reduce a guy's size.
Answered2016-12-09 16:57:51
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