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Index/Topics/Pharmacologically Induced Erections

Pharmacologically Induced Erections

The use of pharmacological methods to induce erections for measurement purposes.

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Jan 15, 2026
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Which scientific studies measure erect penis length and how were they conducted?

Multiple systematic reviews and large empirical studies show that erect penile length has been measured in a mix of clinical and self-report settings, with most high-quality papers finding mean erect ...

Jan 16, 2026

How are penis length and girth measured in clinical studies, and why does method affect results?

Clinical studies measure penis length and girth using defined states (flaccid, stretched, erect) and tools (rulers, semi‑rigid rulers, tape measures), but methods vary widely and that variability mate...