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{{REF}}
→End of puberty: Add link in SEEALSO section.
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==Start of Pubertypuberty==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 in both genders and in the breasts of females.
Females usually start puberty at about 10.5 years of age, and males start about a year later.<ref name="cleveland2024">{{REFweb
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===Precocious puberty===
Puberty sometimes starts early. When it does, it is called ''precocious puberty''. Puberty that starts before eight years in girls and nine years in boys is considered to be [https://my.clevelandclinic.org/health/diseases/21064-precocious-early-puberty precocious puberty].<ref name="cleveland2024" />
==Onset of sexual function==
Menstruation usually occurs at about 12.5 years of age, while first [[ejaculation]] usually occurs at about 13 years of age.
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==Tanner stages==
Dr [https://en.wikipedia.org/wiki/James_Mourilyan_Tanner James Mourilyan Tanner], a British paediatric endocrinologist, created Tanner stages, which describes describe the progress of puberty through five stages.<ref name="cleveland2024" /><ref>{{REFbook |last=Emmanuel |first=Mickey |init= |last2=Bokor |first2=Brooke R |init2= |year=2022 |title=Tanner Stages |url=https://www.ncbi.nlm.nih.gov/books/NBK470280/ |scope= |location= |publisher=StatPearls |ISBN= |accessdate=2025-09-29 }}</ref>
==End of puberty==
Puberty typically lasts for 2 to 5 years. It usually ends for girls at age 15 to 17, and for boys at age 16 to 17.<ref name="cleveland2024" />
{{SEEALSO}}
* [[Development of retractable foreskin]]
* [[Fusions and adhesions]]
* [[Masturbation]]
* [[Puberty books for teen boys]]
* [[Stretching]]
{{LINKS}}
* {{URLwikipedia|Puberty|Puberty}}
==Dedication==
This page is dedicated to <b>Ethan</b>, who inspired its creation.
{{REF}}
[[Category:Education]]
[[Category:Educational]]
[[Category:Foreskin anatomy]]
[[Category:Foreskinned life]]