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Clinical Literature

Studies on penile length and its prediction

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2 results
Jan 27, 2026
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What are the typical ranges and prediction errors when estimating erect length from flaccid size?

Estimating from a flaccid measurement is imprecise: shows flaccid length correlates weakly with erect length, while stretched (manually extended) length provides a substantially better—but still imper...

Feb 5, 2026

How do adjustable or smart penile constriction devices differ from traditional rings, and what peer-reviewed safety data exist?

Adjustable and “smart” penile constriction devices build on the century-old concept of a constriction ring by adding size modulation, quick-release mechanisms, sensors, or connectivity—changes intende...