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crumpets -> Why are prophylactics almost always not sized correctly? (3/3/2015 12:10:52 PM)
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I was trying to figure out why prophylactics are seemingly never sized correctly, when I ran into this recent new study on average penis size around the world, which, the authors state, is the first systematic study ever done on the topic.
The results of the study, published today, was based on medical records of 15,000 men around the world, where they found the erect penis average size is 5.16 inches (13.12 centimeters) long, while the average circumference is 4.59 inches (11.66 centimeters).
According to that comprehensive study (which says it used consistent techniques), the average length of the flaccid penis is 3.61 inches (9.16 centimeters) and the average circumference is 3.66 inches (9.31 centimeters).
Given 5.16 is 143% of 3.61, it grows about half its flaccid length but rounds out at only 125% of flaccid when erect.
Said another way, you can measure the average flaccid penis, and add half the length and a quarter of the circumference, and you'll derive the average erect length.
Here's how the study was done...
quote:
Dr. David Veale, of King's College London and South London and Maudsley NHS Foundation Trust, and his colleague from King's College Hospital NHS Foundation Trust, set out to create such a nomogram of male penis size measurements across all ages and races. A search of the medical literature revealed 17 studies with up to 15,521 males who underwent penis size measurements by health professionals using a standard procedure. The nomograms revealed that the average length of a flaccid penis was 9.16 cm, the average length of a flaccid stretched penis was 13.24 cm, and the average length of an erect penis was 13.12 cm. The average flaccid circumference was 9.31 cm, and the average erect circumference was 11.66 cm. There was a small correlation between erect length and height.
This summary from the "Medical Xpress" said
quote:
The team found no evidence for penis size differences linked to race, though most of the study participants were of European and Middle Eastern descent and they found no evidence of correlation to foot size, and only slight correlation with height.
So, maybe this explains why prophylactics are sized the way they are.
REFERENCE:
"Am I normal? A systematic review and construction of nomograms for flaccid and erect penis length and circumference in up to 15,521 men." David Veale, Sarah Miles, Sally Bramley, Gordon Muir, and John Hodsoll. BJU International; Published Online: March 3, 2015 . DOI: 10.1111/bju.13010
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