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Teenage Girl


Project Manager

  • Puberty is a phase of rapid growth, at the end of which the body reaches reproductive maturity. Other body systems mature during this time too.

Physical changes for girls around puberty

Its good to remember we are all made totally unique and may not always develop or think the way others do!

Puberty is the time when all major organs and body systems mature. At the end of puberty, the body is sexually and reproductively mature.


The growth and development that occurs during puberty is prompted by changes in the levels of certain hormones in the body.

Hormonal changes begin in the mid-primary school years, but puberty properly starts at around 10 years for girls and 11 years for boys.


Everyone is different –  may start puberty earlier or later.


Girls typically start puberty well before boys.


As puberty advances, both boys and girls experience many emotional changes; for many, it is a time of choosing different ways of engaging with family, friends and teachers.


Even though periods work as a cycle, that cycle can take different amounts of time each month. For example, you might get your period after 24 days one month and after 42 days the next. These are called irregular periods. Irregular periods are very common, especially in the first few years of getting your period.

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