A member asked:

My penis shrinks during exercise and even while sitting doing nothing. ive sleep apnea untreated and borderline low testosterone. what could it be?

A doctor has provided 1 answer

Penis size chg: Size change of penis with temperature, activity, rest is ordinary. This reflects blood in the sinusoidal vessels of the shaft, which can expand or contract with various influences.

Answered 7/25/2018

3.7k views

Thank

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