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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 ...
The first physical sign of puberty in females is usually a firm, tender lump under the center of the areola of one or both breasts, occurring on average at about 10½ years of age. [51] This is referred to as thelarche. By the widely used Tanner staging of puberty, this is stage 2 of breast development (stage 1 is a flat, prepubertal breast ...
Cara Natterson, MD, had a few different motivations for her new book Decoding Boys: New Science Behind the Subtle Art of Raising Sons. For one thing, as a pediatrician and author of other books ...
James Mourilyan Tanner (1 August 1920 – 11 August 2010) was a British paediatric endocrinologist who was best known for his development of the Tanner scale, which measures the stages of sexual development during puberty. He was a professor emeritus of the Institute of Child Health at the University of London. [1] [2] [3]
Cher is opening up about losing her virginity as a teenager.. In her new memoir Cher: The Memoir, Part One, which was released on Tuesday, Nov. 19, the singer and actress recalls the circumstances ...
The clinical development across normal puberty is better classified by the Tanner Stages of sexual development for breast and pubic hair. [16] In females, the pubertal growth spurt arise early in puberty due to the direct stimulation of sex steroids and indirectly by the growth hormone-insulin-like growth factor (GH-IGF) axis. [ 17 ]
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By simple arithmetic, a predicted adult height can be computed from a child's height and bone age. Separate tables are used for boys and girls because of the sex difference in timing of puberty, and slightly different percentages are used for children with unusually advanced or delayed bone maturation.