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Comparison of self-reported and clinician-measured penis sizes, highlighting discrepancies and the impact on percentile charts
Researchers measure penis size using a few distinct physical states (flaccid, stretched/flaccid-stretched, and erect), standard anatomical start–end points (most commonly from the pubic bone/penopubic...
U.S.-based research measures flaccid and erect penile length using several distinct techniques—direct clinical measurement in flaccid, stretched, or erect states; self-report; and pharmacologically in...