Сейчас Дженя придёт, узнаем.
http://www.youtube.com/watch?v=sSY-72QEmMY
While results vary across studies, the consensus is that the average erect human penis is approximately 12.9–15 cm (5.1–5.9 in) in length with 95% of adult males falling within the interval (10.7 cm, 19.1 cm) or (4.23 in, 7.53 in).[29][30][31] The typical girth or circumference is approximately 12.3 cm (4.84 in) when fully erect. The average penis size is slightly larger than the median size (i.e., most penises are below average in size).
A research project, summarizing dozens of published studies conducted by physicians of different nationalities, shows that, worldwide, erect-penis size averages vary between 9.6 and 16 cm (3.8 and 6.3 in). It has been suggested that this difference is caused not only by genetics but also by environmental factors such as culture, diet, chemical/pollution exposure,[32][33][34] etc. Endocrine disruption resulting from chemical exposure has been linked to genital deformation in both sexes (among many other problems).
The longest officially documented human penis was found by Doctor Robert Latou Dickinson. It was 34.3 cm (13.5 in) long and 15.9 cm (6.26 in) around.[35] (c) WIKI




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