factually
Index/Topics/Hormonal influence on penile growth

Hormonal influence on penile growth

Hormones such as testosterone and growth hormone contribute to penile growth during puberty.

Fact-Checks

2 results
Feb 4, 2026

What normal genital growth ranges are reported for males at ages 13–16 in population‑based studies?

Population‑based studies show that most happens during —especially between about 11 and 16 years—with large inter‑individual variation tied to pubertal stage, geography and measurement method; several...

Jan 29, 2026

Can penis size be influenced by genetics or environmental factors during puberty?

Yes— is largely determined by but can be meaningfully influenced by hormonal and environmental factors during development and puberty; genes set a blueprint while hormones (, growth hormone) execute g...