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Average length of a flaccid and erect penis is published to help counsellors

BMJ 2015; 350 doi: (Published 03 March 2015) Cite this as: BMJ 2015;350:h1193
  1. Jacqui Wise
  1. 1London

A systematic review that included more than 15 000 men has found that the average length of a flaccid penis is 9.16 cm and an erect penis 13.12 cm.

The research, published in the journal BJU International,1 includes graphical diagrams, or nomograms, to show the range of male penis size measurements across all ages and races. The study authors said that the findings may be helpful when counselling men …

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