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Penile-vaginal intercourse

The role of penis size in penile-vaginal intercourse and sexual satisfaction.

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2 results
Feb 5, 2026

How do sexual positions change the sensations of girth versus length for partners?

Different positions change whether a partner feels more of a penis’s girth (fullness, lateral pressure and friction) or its length (depth and contact with inner structures), and simple adjustments in ...

Jan 15, 2026

How does penis size influence sexual satisfaction across different types of sexual activity?

Research shows penis size can influence certain kinds of sexual satisfaction—most consistently, some women report easier vaginal orgasms with larger penises—yet the overall effect is modest, highly co...