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Although there is a wide range of normal ages, females typically begin the process of puberty around age 10½; males at ages 11½—12. Puberty generally ends between 15—17 for females and 16–17 for males. [1] [2] [3] Females attain reproductive maturity about four years after the first physical changes of puberty appear. [13]
In medicine, precocious puberty is puberty occurring at an unusually early age. In most cases, the process is normal in every aspect except the unusually early age and simply represents a variation of normal development. There is early development of secondary sex characters and gametogenesis also starts earlier. Precocious puberty is of two ...
Girls attain reproductive maturity about four years after the first physical changes of puberty appear. [3] In contrast, boys develop more slowly but continue to grow for about six years after the first visible pubertal changes. [27] [35] Approximate outline of development periods in childhood and early adulthood development. Adolescence is ...
Among researchers who study puberty, the Tanner scale is commonly considered the "gold standard" for assessing pubertal status when it is conducted by a trained medical examiner. [5] In HIV treatment, the Tanner scale is used to determine which regimen to follow for pediatric or adolescent patients on antiretroviral therapy (adult, adolescent ...
The point at which a child becomes an adolescent is defined by the major onset of puberty. [2] [15] However, in some individuals (particularly females), puberty begins in the preadolescence years. [19] [20] Studies indicate that the onset of puberty has been one year earlier with each generation since the 1950s. [21]
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Anatomical changes during puberty include enlargement of the larynx for both sexes. However, the larynx descends and grows significantly larger in males which often results in a visible laryngeal prominence on the neck (Adam's apple). [9] Additionally, male vocal folds become longer and thicker and resonant cavities become larger. [9]
Girls may begin puberty, starting with breast development and followed by a change in facial shape; Adult-like motor planning; Motor planning includes an individual's choice of movements and trajectory of such movements. Children begin to display motor planning in preference of certain body parts such as hand preference.