Your health, your choices
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From starting periods to starting to shave. All you need to know about what happens at puberty.
Tips for parents on when to talk to girls (and boys) about periods, and what to tell them.
Find out why your periods haven't started, including when to see your GP and the possible causes and treatments.
Boys' questions about puberty, including growing hair, erections, deeper voice and wet dreams.
Girls' questions about puberty, including growing hair, breasts, periods and mood swings.
Information for young people, including dealing with bullying and coming out.
Calculate your child's BMI and get tailored advice
Find out how you and your child are doing
Read about teen girl health issues, including healthy eating, skin problems and having sex for the first time
Turning into a couch potato? Want the truth about drugs and safer sex? Find out how you can get yourself sorted
Information on child health, including healthy diet, fitness, sex education and exam stress
Your health, your choicesYour health, your choices