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Testicular examination and fertility

The importance of testicular examination in assessing reproductive risk and fertility in men.

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Jan 12, 2026
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How do ejaculation frequency and fertility interact across different age groups?

Higher ejaculation frequency (EF) tends to lower sperm DNA fragmentation and improve some functional semen parameters without consistently harming motility, while short abstinence before ovulation can...

Feb 2, 2026

Why is it when I jerk off to gay porn I don't produce semen at orgasm but when I jerk to straight porn I do

A reliable explanation is that are distinct events influenced by physiology, recent sexual activity, medications or nerve function, and conditioned sexual responses—so it is plausible to reach orgasm ...