ChildLine's website answers boys' common questions about puberty and girls' common questions about puberty. Talking about sex Before sex: what to ask your partner Where can I get sexual health advice, now? Late or early puberty Children who begin puberty either very early before the age of 8 or very late after 14 should see a doctor just to make sure they're in good health. It also offers free and confidential advice on its telephone helpline, which can be reached on The average age for girls to begin puberty is 11, while for boys the average age is Boys develop a deeper voice and facial hair will start to appear.
Karla. Age: 22.
Boys develop a deeper voice and facial hair will start to appear.
Erika. Age: 31.
Everything You Wanted to Know About Puberty
Am I gay, lesbian or bisexual? Puberty is when a child's body begins to develop and change as they become an adult. The process can take up to 4 years.