Breast Development
Mnemonic: ABCDE
- Stage 1 – Absent development
- Stage 2 – Breast bud
- Stage 3 – Common Contour (not separated)
- Stage 4 – Double mound (contour separated)
- Stage 5 – End stage development (Adult type)
![M.Komorniczak, polish wikipedist.Illustration by : Michał KomorniczakThis file has been released into the Creative Commons 3.0. Attribution-ShareAlike (CC BY-SA 3.0)If you use on your website or in your publication my images (either original or modified), you are requested to give me details: Michał Komorniczak (Poland) or Michal Komorniczak (Poland).For more information, write to my e-mail address: [email protected]](https://commons.wikimedia.org/wiki/File:Tanner_scale-female.svg){kind=link}
Male Genitalia Development
Mnemonic: ABCDE
- Stage 1 – Absent development
- Stage 2 – Bulky testes and scrotum
- Stage 3 – Cock lengthens
- Stage 4 – Darkening of scrotum
- Stage 5 – End stage development (Adult type)
![M.Komorniczak, polish wikipedist.Illustration by : Michał KomorniczakThis file has been released into the Creative Commons 3.0. Attribution-ShareAlike (CC BY-SA 3.0)If you use on your website or in your publication my images (either original or modified), you are requested to give me details: Michał Komorniczak (Poland) or Michal Komorniczak (Poland).For more information, write to my e-mail address: [email protected]](https://commons.wikimedia.org/wiki/File:Tanner_scale-male.svg){kind=link}
Pubic Hair Development
Mnemonic: A Small CAT
- Stage 1 – Absent
- Stage 2 – Straight
- Stage 3 – Curling
- Stage 4 – Adult
- Stage 5 – Thighs
| Female | Both | Male | |
| Stage | Breast | Pubic Hair | Genitalia |
| 1 | Preadolescent | None | Childhood size |
| 2 | Breast bud | Sparse, straight | Enlargement of scrotum, testes |
| 3 | Areolar diameter enlarges | Darker, curling | Penis grows in length; testes continue to enlarge |
| 4 | Secondary mound; separation of contours | Coarse, curly, adult type | Penis grow in length/breadth; scrotum darkens, testes enlarge |
| 5 | Mature female | Adult, extends to thigh | Adult shape/size |
Excellent