Mickey Emmanuel1; Brooke R. Introduction Puberty is a time of rapid and complex changes involving overlapping components: 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. It was developed by Marshall and Tanner while conducting a longitudinal study during the ss in England.
Source Article Variations in pattern of pubertal changes in girls. It describes the onset and progression of pubertal changes. Boys and girls are rated on a 5 point scale. Boys are rated for genital development andpubic hair growth, and girls are rated for breast development and pubic hair growth. There is no sexual hair.