what age do boys start puberty usually
Puberty is the time in life when a young person starts to become sexually mature. In girls, puberty usually starts around 11 years of age, but it may start as early as 6 or 7 years of age.In boys, puberty begins around 12 years as age, but may start as early as 9 years of age. Puberty is a process that goes on for several years. Most girls are physically mature by about 14 years of age.n girls, acne usually starts around 13 years of age. Menstruation (the period) usually happens last. In boys, the testicles and the penis get bigger first. Then hair grows in the pubic area and the armpits.