15 March 2010
Penile-extender study records girth increases
by George Atkinson
Building on an earlier Italian study, Iranian urologists testing the efficacy of traction-based penile extender devices have confirmed previously noted increases in length as well as some girth enhancement in the glans.
Conducted by staff at the Tehran University of Medical Sciences, Tehran, the study was performed on 23 subjects with an average age of 26 who presented at the university clinic and complained about "having a short penis."
After measuring the penile length in flaccid and stretched forms, as well as penile circumference, the patients were instructed to wear the traction device for 4 to 6 hours per day for the first 2 weeks and then 9 hours per day until the end of the third month of the trial. The subjects were also trained in how to increase the traction force of the device.
The patients were visited at the end of the first and third months, and penile length and circumference were measured and compared with the baseline measurements.
The researchers found that the average flaccid penile length increased from 8.8 cm (3.5") to 10.1 cm (4.0") after one month, and 10.5 cm (4.1") after three months. The average stretched penile length also significantly increased from 11.5 cm (4.5") to 12.4 cm (4.9") after one month, and 13.2 cm (5.2") after three months. The study, published in The Journal of Sexual Medicine, found no changes regarding proximal penile girth, but the circumference of the glans did increase from 8.8 cm (3.5") to 9.3 cm (3.7").
The researchers conclude that the findings support the efficacy of the device in increasing penile length. The results, they add, also suggest the possibility of glans penis girth enhancement using the penile extender.
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Source: The Journal of Sexual Medicine