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Index/Topics/End of Puberty

End of Puberty

The completion of biological stages leading to sexual maturity, marked by Tanner Stage 5.

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Jan 16, 2026
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What are the Tanner stages and how do they map to specific ages in boys?

The Tanner stages—also called Sexual Maturity Ratings (SMRs)—are a five-point clinical scale clinicians use to describe the visible progression of secondary sexual characteristics during puberty rathe...

Jan 11, 2026

When does puberty end?

Puberty ends when an individual completes the biological stages that lead to sexual maturity—clinically captured as Tanner Stage 5—most often in the mid-to-late teens, though the exact age varies wide...