Puberty happens gradually and marks the start of the body developing from a child into an adult. Girls turning into women and boys turning into men. Many changes happen during this time.
Puberty for boys
Learn about the complex changes that occurs to a boy when he becomes a young man.
Puberty for girls
Learn about the complex physical and emotional changes that occurs to a girl when she becomes a young woman.
Growing up to a young adult can be exciting, but can also be tough for a lot of teenagers. Find out what to expect during puberty, and learn about health issues including acne, eating disorders, glandular fever and more.
Oestrogen, a female sex hormone with many roles, controls puberty, strengthens bones and more. But too much or too little can cause medical problems.
Gender dysphoria is the discomfort a person feels because their biological sex doesn’t match their sense of their own gender identity. There are, however, resources to support people who are experiencing gender dysphoria. Find out more here.
Follicle stimulating hormone
Follicle stimulating hormone (FSH) is produced by the pituitary gland in the brain. It is an important hormone for normal functioning of the reproductive system in men and women.
Gigantism is a very rare condition that causes children to grow abnormally fast and tall. It can be treated successfully, but they may still have symptoms.
Affecting males, symptoms can include small genitals and infertility. It's estimated 1 in 500 men have Klinefelter syndrome, but most are unaware.
Your testosterone levels can vary depending on your gender, age and health. Learn more about low testosterone, and possible causes and symptoms of low testosterone.