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Nose size indicates maximum penile length.

Hiroshi Ikegaya1, Motofumi Suzuki2,3, Hiroki Kondou4

  • 1Department of Forensics Medicine, Graduate School of Medicine, Kyoto Prefectural University of Medicine, Kajii-cho 465, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan. ikegaya-tky@umin.ac.jp.

Basic and Clinical Andrology
|February 4, 2021
PubMed
Summary
This summary is machine-generated.

Penile length is significantly correlated with flaccid penile length and nose size in adult males. These findings suggest penile size may be determined before birth, not by age or body weight.

Keywords:
AgingCadaverNose sizeStretched penile length

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Area of Science:

  • Andrology
  • Human Anatomy
  • Anthropometry

Background:

  • Previous research indicated penile length stabilizes in adolescence and declines with age.
  • Serum testosterone levels during aging were previously considered a factor in penile size changes.

Purpose of the Study:

  • To identify factors beyond age influencing penile length.
  • To analyze relationships between stretched penile length (SPL) and other physical measurements.

Main Methods:

  • Multivariate analysis was performed on 126 adult males aged 30-59.
  • Measurements included stretched penile length (SPL), flaccid penile length (FPL), penile circumference, nose size, height, and body weight.

Main Results:

  • Flaccid penile length (FPL) showed the highest correlation with SPL (r=0.565, P<0.0001).
  • Nose size demonstrated a strong correlation with SPL (r=0.564, P<0.0001).
  • Penile stretched rate correlated with FPL (r=-0.690, P<0.0001) but not SPL or penile circumference.

Conclusions:

  • Nose size is a significant correlate of stretched penile length (SPL).
  • These findings suggest penile length is predetermined, likely before birth.
  • Age, height, and body weight appear to be less significant factors in determining penile length.