yes, you create sperm during puberty.
They're born without sperm, they make sperm during puberty and then continue to produce sperm.
During and after puberty
In puberty.
No Your sperm production or your masturbation has nothing to do with your height.
Be assured you're in puberty and are growing up!
If you haven't reached puberty, then your body does not make sperm to be released, so there isn't really anything you can do about it, except wait.
The testis grow in size during puberty. Also the sperm made by the testis becomes fertile.
Around your mid 12. During Puberty a boy will start to produce sperm.
It's called 'semen' (see-men) and it has sperm in it. The semen can be made to come out forcefully during an ejaculation, part of the sex act. If you can not ejaculate yet it is probably because you are not old enough and haven't got that far in your development yet. it usually starts around pre-puberty from the age of 10 and around. That is when semen can come out but semen does not contain sperms until you have reached puberty.
They havent gone through puberty yet.
Well, yes, but it is called, "Semen", which in boys is a clear to milky liquid that contains spermatazoa, or just sperm cells.