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Index/Topics/Penile length measurement

Penile length measurement

Clinical research protocols for measuring penile length, emphasizing the need for standardized techniques and tools to improve reliability and comparability across studies.

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3 results
Jan 15, 2026
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Is there a correlation between adult height and flaccid versus erect penis length?

The best available measurement studies show either no meaningful correlation or only a weak positive correlation between a man’s height and his penile length, with results varying by whether flaccid, ...

Jan 14, 2026

Why do researchers prefer stretched flaccid length over erect measurements?

Researchers often use stretched flaccid penile length because it offers a practical, reproducible proxy for erect length that can be measured in clinic without pharmacological induction of erection, e...

Jan 14, 2026

How is stretched penile length measured and how accurate is it as a predictor of erect length?

Stretched penile length (SPL) is measured by extending the flaccid penis to its maximal comfortable length and measuring from a fixed proximal landmark to the tip of the glans; it is widely used becau...

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