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Puberty in girls normally starts between the ages of 8 and 14.
The follicle-stimulating hormone and luteinising hormone released by the brain target the ovaries.
Follicle-Stimulating Hormone
Luteinising Hormone
This stimulates the production of the female sex hormones, oestrogen and progesterone.
Oestrogen
Progesterone
These four hormones all work together to govern the biggest puberty …
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