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Research on the variation of penile dimensions across different geographic regions and ethnic categories, with findings suggesting that average penile dimensions vary more by geographic region than by ethnic categories.
Three large clinician‑measured meta‑analyses now provide the best aggregated estimates of human penile dimensions: a global nomogram/meta‑analysis of up to 15,521 men that produced clinical reference ...
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...