Every child is unique, and so are their growth and maturation timelines.
“Sex” refers to biological sex assigned at birth and is based on genitalia.
Categories include male, female, and intersex.
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The spectrum is much more expansive and fluid.
Societal norms are reflected in studies on puberty that use gendered language when discussing findings about binary sex characteristics.
This article is about sex characteristics.
Genitals
During puberty, the penis and testicles will increase in size.
Testicles also begin producing sperms.Genitals can reach full size between 13 and 18 years of age, on average.
Its common for one testicle to hang lower than the other.
Other Pubescent Changes
You may also notice other changes during puberty.
Endocrine-disrupting chemicals (chemicals that can interfere with hormones) are being studied for their impact on puberty timeline.
One study from 2024 published in the journalEndocrine Practiceshows correlation between endocrine-disrupting chemicals and early onset puberty.
There are several known factors that can affect the start and end of puberty in boys.
However, it is unlikely you will get much taller past ages 1820.
What Is Normal?
It is normal to grow at a different pace than your friends, classmates, and other peers.
Many changes occur during puberty, and you do not have to feel alone.
Summary
Everyone grows at their own pace.
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