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Peer-reviewed scientific journal
Measured from penetration to ejaculation in most stopwatch-based studies, the typical intravaginal ejaculation latency time (IELT) centers around roughly 5 to 6 minutes, with a frequently cited mean o...
Clinical consensus and mainstream medical reviews say prostate massage is unlikely to reliably treat erectile dysfunction (ED) and carries risks; some older studies, small trials and many anecdotal re...
Research shows a complex, non-deterministic relationship between penis size and female orgasm: some studies report associations between women’s preference for longer or thicker penises and , while oth...
High‑quality, peer‑reviewed work finds a measurable connection between women's preference for deeper/longer penile–vaginal stimulation and a higher frequency of vaginal (but not clitoral) orgasms, an ...
Available reporting shows no single, rigorous, widely cited survey that definitively answers “what percentage of women find men in thongs sexually attractive”; most sources are small polls, brand/blog...
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...
Scientific studies show mixed evidence linking penis size (length and girth) to women’s sexual pleasure: some surveys and preference studies find modest preferences for larger girth or length in certa...
Peer‑reviewed studies show a , but direct, quantitative evidence specifically linking measured penis girth (circumference) to female orgasm frequency is limited. The strongest empirical results derive...
Existing academic surveys report an association between women who prefer deeper penetration (i.e., longer penises) and higher frequency of vaginal orgasm in some samples; one influential online-survey...
Large clinical reviews find that stretched (manually extended) flaccid length tracks erect length better than relaxed flaccid length: pooled means across studies are about 9–9.2 cm flaccid, ~12.8–13.2...
Studies do not identify a single “girth threshold” at which sexual satisfaction uniformly increases or discomfort begins; research instead reports associations between larger perceived girth and great...
Available reporting shows multiple health and practical issues can arise when penile girth is far above average: extra girth can increase friction-related injury and infection risk and in extreme case...
Research finds mixed but consistent signals: several studies and surveys link greater penis girth (and sometimes length) with increased reported pleasure for some women, especially for vaginal orgasm ...
A small set of traction and implant products are commonly marketed for penile stretching or aesthetic enhancement, and several vendors explicitly claim FDA clearance or approval—most notably SizeGenet...
Clinical literature does not support a simple, direct relationship between objectively measured penis size and partner-reported sexual satisfaction: reviews find sparse, inconsistent evidence and poin...
Yes — people can and do orgasm from anal intercourse, but who can, how often it happens, and what it feels like vary widely: clinical mapping and surveys show a minority can orgasm from anal penetrati...
Attentional focus and the content of sexual education are strongly linked to whether women report orgasms during penile–vaginal intercourse (often labeled “vaginal orgasm”) versus clitoral stimulation...
There are no medical organisations that set a recommended "frequency" of sexual activity by age; guidance instead focuses on consent, safety, prevention, and age-appropriate education (WHO on adolesce...
Pelvic floor muscle training (PFMT, “Kegels”) has multiple studies showing it can increase intravaginal ejaculatory latency time (IELT) and help men with premature ejaculation (PE); some trials report...
Several peer‑reviewed surveys link reported penis size (mostly length, sometimes circumference in discussion) with higher frequency of vaginal — but not clitoral — orgasms for a subset of women; the m...