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| {| width=800px|
| | [[Puberty_Development#Tanner_Stages|Tanner stages]]<noinclude>[[Category:Template]][[Category:Term Link]][[Category:Postnatal]][[Category:Genital]][[Category:Female]][[Category:Male]][[Category:Endocrine]]</noinclude> |
| ! colspan=4|Tanner Stages
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| |-
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| ! width=100px|Tanner Stage
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| ! width=200px|Genitals (male)
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| ! width=200px|Breasts (female)
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| ! width=200px|Pubic hair (male and female)
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| |-
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| | I
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| | prepubertal (testicular volume < 1.5 ml<br>small penis of 3 cm or less) (typically age 9 and younger)
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| |-
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| | II
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| | testicular volume 1.6 to 6 ml<br>skin on scrotum thins, reddens and enlarges; penis length unchanged (9–11)
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| |-
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| | III
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| | testicular volume 6 to 12 ml<br>scrotum enlarges further; penis begins to lengthen to about 6 cm (11–12.5)
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| |-
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| | IV
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| | testicular volume 12 to 20 ml<br>scrotum enlarges further and darkens; penis increases in length to 10 cm and circumference (12.5–14)
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| |-
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| | V
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| | testicular volume > 20 ml<br> adult scrotum and penis of 15 cm in length (14+)
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| |}
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| ===Genitals (male)===
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| ; Tanner I
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| : prepubertal (testicular volume less than 1.5 ml; small penis of 3 cm or less) (typically age 9 and younger) | |
| ; Tanner II
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| : testicular volume between 1.6 and 6 ml; skin on scrotum thins, reddens and enlarges; penis length unchanged (9–11) | |
| ; Tanner III
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| : testicular volume between 6 and 12 ml; scrotum enlarges further; penis begins to lengthen to about 6 cm (11–12.5) | |
| ; Tanner IV
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| : testicular volume between 12 and 20 ml; scrotum enlarges further and darkens; penis increases in length to 10 cm and circumference (12.5–14) | |
| ; Tanner V
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| : testicular volume greater than 20 ml; adult scrotum and penis of 15 cm in length (14+) | |
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| ===Breasts (female)===
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| ; Tanner I
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| : no glandular tissue: areola follows the skin contours of the chest (prepubertal) (typically age 10 and younger) | |
| ; Tanner II
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| : breast bud forms, with small area of surrounding glandular tissue; areola begins to widen (10–11.5)
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| ; Tanner III
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| : breast begins to become more elevated, and extends beyond the borders of the areola, which continues to widen but remains in contour with surrounding breast (11.5–13)
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| ; Tanner IV
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| : increased breast size and elevation; areola and papilla form a secondary mound projecting from the contour of the surrounding breast (13–15)
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| ; Tanner V
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| : breast reaches final adult size; areola returns to contour of the surrounding breast, with a projecting central papilla. (15+)
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| ===Pubic hair (both male and female)===
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| ; Tanner I
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| : no pubic hair at all (prepuberta] state) (typically age 10 and younger)
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| ; Tanner II
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| : small amount of long, downy hair with slight pigmentation at the base of the penis and scrotum (males) or on the labia majora (females) (10–11.5)
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| ; Tanner III
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| : hair becomes more coarse and curly, and begins to extend laterally (11.5–13)
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| ; Tanner IV
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| : adult–like hair quality, extending across pubis but sparing medial thighs (13–15)
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| ; Tanner V
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| : hair extends to medial surface of the thighs (15+)
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