Index/Organizations/Klinefelter's syndrome

Klinefelter's syndrome

Human chromosomal condition

Fact-Checks

6 results
Dec 5, 2025
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Can men have orgasm without ejaculation and what causes it?

Yes — men can and do have orgasms without ejaculating; that phenomenon is commonly called a “dry orgasm” or anejaculation and can be temporary or permanent depending on cause (examples: recent ejacula...

Jan 24, 2026
Most Viewed

How does puberty timing affect penis growth and final adult size?

Puberty timing influences when penile growth starts and the tempo of development, but it is not the sole determinant of final adult : genetics and the hormonal milieu during puberty (especially testos...

Jan 29, 2026
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What are normal ranges for adult penis size and when are they usually reached?

Medical literature and health organizations converge on a similar picture: an average erect adult penis measures roughly 5.1–5.5 inches (about 13–14 cm) in length with girth around 4.5–4.6 inches (abo...

Jan 17, 2026

Are there health or genetic factors associated with larger erect penis size?

Genetics are the single strongest predictor of penis size, but they interact with hormones, developmental health and environmental exposures so that “bigger” is rarely reducible to a single gene or si...

Jan 19, 2026

Are there any medical conditions that affect the ability to experience orgasm without ejaculation?

There is clear clinical evidence that multiple medical conditions and treatments can produce orgasm without ejaculation (so‑called “dry” orgasms) or prevent orgasm altogether; the two phenomena are ph...

Jan 7, 2026

How does puberty affect penis size and at what age does it stop growing?

Puberty triggers most penile growth: rising testosterone causes spurts in length first and girth later, with the biggest increases during mid-puberty (roughly early teens) . For most people assigned m...