What are the 5 Tanner stages?
Pubic Hair Scale (both males and females)
- Stage 1: No hair.
- Stage 2: Downy hair.
- Stage 3: Scant terminal hair.
- Stage 4: Terminal hair that fills the entire triangle overlying the pubic region.
- Stage 5: Terminal hair that extends beyond the inguinal crease onto the thigh.
What Tanner stage is breast buds?
Boys
| Tanner stages in girls | Age at the start | Noticeable changes |
|---|---|---|
| Stage 1 | After the 8th birthday | None |
| Stage 2 | From age 9–11 | Breast “buds” start to form; pubic hair starts to form |
| Stage 3 | After age 12 | Acne first appears; armpit hair forms; height increases at its fastest rate |
| Stage 4 | Around age 13 | First period arrives |
What are female Tanner stages?
ANNEX HSEXUAL MATURITY RATING (TANNER STAGING) IN ADOLESCENTS
| Stage | Female | |
|---|---|---|
| Age range (years) | Other changes | |
| II | 8–15 | Peak growth velocity often occurs soon after stage II |
| III | 10–15 | Menarche occurs in 2% of girls late in stage III |
| IV | 10–17 | Menarche occurs in most girls in stage IV, 1–3 years after thelarche |
How do you determine Tanner stage?
V. Stage: Tanner 4
- Height increases at peak rate: 10 cm/year (age 13.8)
- Pubic Hair. Hair of adult quality. Not spread to junction of medial thigh with perineum.
- Penis. Continued growth in length and width. Age 13.2 years (11.2-15.3 years)
- Testes. Length 4.1 to 4.5 cm.
- Other Changes. Voice changes (age 14.1 years)
What is Tanner Stage V?
Tanner Stage 5 breast development is the mature, adult breast. There is projection of only the papilla with recession of the secondary mound back to the contour of the breast, and there is a further increase in breast size. Breast development is not a linear process.
What does Tanner stage 1 mean?
Tanner score refers to the stage of puberty development in a young person. Tanner 1 is preadolescent and means there are no signs of puberty. Tanner 4 means that puberty growth and changes are nearing adult stage. Tanner 5 is adult level maturity.
How many Tanner stages are there?
The five Tanner stages of puberty. The Tanner scale (also known as the Tanner stages or Sexual Maturity Rating (SMR)) is a scale of physical development in children, adolescents, and adults.
