Mapping humanity
Poll - penislengte





Several scientific studies have been performed on the erect length of the adult penis. Studies which have relied on self-measurement, including those from Internet surveys, consistently reported a higher average length than those which used medical or scientific methods to obtain measurements.



(Laatste wijziging door gna, 11 december 2007 18:50)






(Laatste wijziging door gna, 12 december 2007 20:16)









(Laatste wijziging door gna, 19 maart 2008 21:19)

