In Ho Choi, Khae Hawn Kim, Han Jung, Sang Jin Yoon, Soo Woong Kim, Tae Beom Kim
The second to fourth digit ratio (2D:4D) has been proposed as a putative biomarker for prenatal testosterone and covaries with the sensitivity of the androgen receptor (AR). Both prenatal testosterone and the AR play a central role in penile growth. In this study, we investigated the relationship between digit ratio and penile length. Korean men who were hospitalized for urological surgery at a single tertiary academic centre were examined in this study, and 144 men aged 20 years or older who gave informed consent were prospectively enrolled. Right-hand second- and fourth-digit lengths were measured by a single investigator prior to measurement of penile length. Under anaesthesia, flaccid and stretched penile … Continue reading In Ho Choi, Khae Hawn Kim, Han Jung, Sang Jin Yoon, Soo Woong Kim, Tae Beom Kim
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