During puberty, the testis starts to grow in size. this is due to the hormones which are produced in this period. The height and weight increase. Also hair starts to rrow in the pubic region and on the face and armpits.
After the onset of puberty, males produce semen.
Both males and females experience puberty.
15
Spermatogenesis starts at puberty in everyone . This is because the testis become mature.
Puberty is when a person sexually matures. This usually happens around 11 or 12 for girls and 1-2 years later for males.
No.
For males, from the age 13-16 you will be starting puberty
In males, the key hormone(chemical) is testosterone. In females it is oestrogen that drives puberty.
They don't change?
Yes, they do, once they hit puberty.
Testostrone
Yes, about 13% of males experience stomach discomfort during puberty. There is some link between stomachaches and taller teen males as well.