Puberty
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Puberty is the period in human development when a child gradually changes into an adult, during which physical growth and sexual maturation occurs.[1]
Start of Puberty
Puberty begins when the hypothalumus, which is part of the brain, produces a hormone that stimulates the pituitary gland, which then produces hormones called gonadotrophins that stimulate the gonads and adrenals. Gonads are the testes in males and the ovaries in females. The gonads then produce a flood of sexual hormones that stimulate growth and development of the sexual organs and breasts of females.
Females usually start puberty at about 10.5 years of age, and males start about a year later.
External links
Wikipedia article: Puberty
