A member asked:

I have a 13-year-old brother that started puberty around 11 or 12. our father stopped at 20-21. i don't know when my father started puberty. will my 13-year-old young brother stop growing at 20-21 too?

Q: i have a 13-year-old brother that started puberty around 11 or 12. our father stopped at 20-21. i don't know when my father started puberty. will my 13-year-old young brother stop growing at 20-21 too?

: Maybe/not. He also has moms genes. Sa long as he grows 2-3 "/yr he will grow more/when he slows to 1"/yr he is near the end. An x-ray of the wrist/hand can identify growth plates. If open, more growth is expected, if closed, growth has stopped.

A doctor has provided 1 answer

Dr. James Ferguson answered

Maybe/not. He also has moms genes. Sa long as he grows 2-3 "/yr he will grow more/when he slows to 1"/yr he is near the end. An x-ray of the wrist/hand can identify growth plates. If open, more growth is expected, if closed, growth has stopped.

Dr Singh agreed

Answered 5/2/2021

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A member asked:

I have a 13-year-old brother that started puberty around 11 or 12. our father stopped at 20-21. i don't know when my father started puberty. will my 13-year-old young brother stop growing at 20-21 too?

A doctor has provided 1 answer

Dr. James Ferguson answered

Dr Singh agreed

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