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Adrenarche and Gonadarche

The timing and relationship between adrenarche and gonadarche in male puberty development.

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Jan 16, 2026
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What factors like age or health affect erect penis size?

Erect penis size is driven primarily by events during development—genes and hormones shape adult dimensions—while age, health and situational factors alter the firmness or apparent length of an erecti...

Feb 7, 2026

What are the main stages of male puberty?

is a multi-year biological process usually described by five (sexual maturity ratings) that track genital and pubic hair development from prepubertal through adult maturity . It is initiated by from t...