The Tanner scale (also known as the Tanner stages or sexual maturity rating (SMR)) is a scale of physical development as pre-pubescent children transition into adolescence, and then adulthood. The scale defines physical measurements of development based on external primary and secondary sex characteristics , such as the size of the breasts ...

Dec 11, 2022 · Tanner Staging, also known as Sexual Maturity Rating (SMR), is an objective classification system that providers use to document and track the development and sequence of secondary sex characteristics of children during puberty.

Tanner Staging, also known as Sexual Maturity Rating (SMR), is a classification system that healthcare providers use to document and track the development of secondary sex characteristics of children during puberty.

Male; Age range (years) Breast growth Pubic hair growth Other changes Age range (years) Testes growth Penis growth Pubic hair growth Other changes; I: 0–15: Pre-adolescent: None: Pre-adolescent: 0–15: Pre-adolescent testes (≤2.5 cm) Pre-adolescent: None: Pre-adolescent: II: 8–15: Breast budding (thelarche); areolar hyperplasia with ...

In the male at about age 11.5 years the testes and penis begin to increase in size. At about 12 years there is a slight increase in coarse pigmented pubic hair. In the female at about age 10.9 years, breast buds become palpable and the areole enlarge.

Feb 11, 2025 · These stages outline milestones for both males and females. They typically occur in females ages 8 to 13 and males ages 9 to 14. Tanner stages can be helpful in defining early puberty (more common in girls) or delayed puberty (more common in boys).

Sep 19, 2022 · In 1962, James M Tanner developed the Sexual Maturity Rating (SMR).[1] This scale, also known as the Tanner stages, granted providers objective criteria for monitoring an adolescent’s puberty progression.

Sexual maturity ratings (SMRs) are widely used to assess adolescents' physical development during puberty in five stages (from preadolescent to adult). Also known as Tanner stages, SMRs are a way of assessing the degree of maturation of secondary sexual characteristics.

onset of puberty, during SMR 3-4 (average age: 12.5 yr; normal range: 9-15 yr). • The timing of menarche is determined largely by genetics; contributing factors likely include adiposity, chronic illness, nutritional status, and the psychosocial environment. • Not all precocious puberty needs active management but girls should have the

Jul 1, 2011 · Sexual Maturity Rating (SMR) staging of sexual development, also known as Tanner staging, provides a means of discretely documenting a child's progression through puberty by inspection. Separate scales are used for breast (female), genital (male), and pubic hair (both sexes) development (Figs. 1 and 2).