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The relationship between penis size and vaginal orgasms, including the impact of girth and length
Three decades of modest, mostly survey-based research find a reproducible correlation: women who report preferring deeper penile–vaginal stimulation or a longer-than-average penis also report more fre...
Measured vaginal dimensions show substantial natural variation: studies report unstimulated lengths from roughly 4–15 cm in different cohorts and surface areas that can vary five‑fold (34–164 cm2), bu...
Rigorous research generally finds that penile girth (circumference) tends to correlate more strongly with reported sexual satisfaction for many partners than additional length, but findings are nuance...