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Variation in penile dimensions due to genetic, hormonal, and environmental factors
Using standard published nomograms for erect penile circumference (mean 11.66 cm, SD 1.10) and treating the distribution as approximately normal, a girth of sits about 2.67 standard deviations above t...
A careful review of the 2015 literature shows a widely cited systematic review in (, 2015) that pooled measurements from 15,521 men and reported average girth values of about 9.31 cm (3.66 in) flaccid...
Multiple recent meta-analyses and large empirical studies report measurable regional variation in penile dimensions, including girth, but the differences are generally modest, inconsistent across stud...