Puberty: Difference between revisions
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Females usually start puberty at about 10.5 years of age, and males start about a year later. | Females usually start puberty at about 10.5 years of age, and males start about a year later. | ||
===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 precocious puberty. | |||
==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. | |||
If a boy's [[foreskin]] has not become retractable prior to puberty, then it will almost certainly become retractable during puberty.<ref name="Øster1968">{{OesterJ 1968}}</ref> <ref name="kayaba1996">{{REFjournal | |||
|last=Kayaba | |||
|init=H | |||
|last2=Tamura | |||
|init2=H | |||
|last3=Kitajima | |||
|init3=S | |||
|etal=yes | |||
|title=Analysis of shape and retractability of the prepuce in 603 Japanese boys | |||
|journal=J Urol | |||
|volume=156 | |||
|issue=5 | |||
|pages=1813-1815 | |||
|url=http://www.cirp.org/library/normal/kayaba/ | |||
|quote= | |||
|pubmedID=8863623 | |||
|pubmedCID= | |||
|DOI= | |||
|date=1996-11-01 | |||
|accessdate=2025-09-28 | |||
}}</ref> <ref name="agarwal2005">{{REFjournal | |||
|last=Agarwal | |||
|first= | |||
|init=A | |||
|author-link= | |||
|last2=Mohta | |||
|first2= | |||
|init2=A | |||
|author2-link= | |||
|last3=Anand | |||
|first3= | |||
|init3=RK | |||
|author3-link= | |||
|etal=no | |||
|title=Preputial retraction in children | |||
|trans-title= | |||
|language= | |||
|journal=J Indian Assoc Pediatr Surg | |||
|location= | |||
|date=2005-04 | |||
|season= | |||
|volume=10 | |||
|issue=2 | |||
|article= | |||
|pages=89-91 | |||
|url=https://journals.lww.com/jiap/fulltext/2005/10020/preputial_retraction_in_children.5.aspx | |||
|archived= | |||
|quote= | |||
|pubmedID= | |||
|pubmedCID= | |||
|DOI=10.4103/0971-9261.16468 | |||
|accessdate=2025-09-28 | |||
}}</ref> | |||
==Tanner stages== | |||
Dr James Tanner, a British paediatric endocrinologist, created Tanner stages, which describes the progress of puberty through five stages.<ref name="cleveland2024">{{REFweb | |||
|url=https://my.clevelandclinic.org/health/body/puberty | |||
|title=Puberty | |||
|last=Anonymous | |||
|first= | |||
|init= | |||
|author-link= | |||
|publisher=Cleveland Clinic | |||
|date=2024-08-26 | |||
|accessdate=2025-09-28 | |||
}}</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" /> | |||
{{LINKS}} | {{LINKS}} | ||
* {{URLwikipedia|Puberty|Puberty}} | * {{URLwikipedia|Puberty|Puberty}} | ||
{{REF}} | {{REF}} | ||