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The transformation of güevedoces into an adult male at puberty, which is reported to be celebrated in Dominican culture, is the result of a genotypic male (with XY chromosomes) born with a deficiency in the enzyme 5α-reductase. 5α-Reductase is responsible for the reduction of testosterone to dihydrotestosterone.
It's Perfectly Normal: Changing Bodies, Growing Up, Sex, and Sexual Health is a children's book written by Robie Harris and illustrated by Michael Emberley. The purpose of the book is to inform preadolescent children about puberty by exploring different definitions of sex . [ 1 ]
[9] [10] [11] Puberty that starts earlier than usual is known as precocious puberty, and puberty which starts later than usual is known as delayed puberty. Notable among the morphologic changes in size, shape, composition, and functioning of the pubertal body, is the development of secondary sex characteristics, the "filling in" of the child's ...
The average age of onset of puberty is 10–11 for girls and 11–12 for boys. [10] [11] Every person's individual timetable for puberty is influenced primarily by heredity, although environmental factors, such as diet and exercise, also exert some influences. [12] [13] These factors can also contribute to precocious and delayed puberty. [14] [13]
A similar book aimed at boys between the ages of nine and twelve, Guy Stuff: The Body Book for Boys, was written by Natterson. It discusses the physical, social and emotional changes that boys may experience during puberty, as well as general hygiene and health issues commonly encountered during adolescence. [15] [16]
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 ...
On average, girls begin the process of puberty at age 10 or 11 while boys begin at age 11 or 12. [5] Partly because puberty varies, some definitions of chronophilias (sexual preference for a specific physiological appearance related to age) show overlap between pedophilia, hebephilia and ephebophilia. [ 2 ]
Related terms include developmental psychology, referring to development from birth to death, and pediatrics, the branch of medicine relating to the care of children. Developmental change may occur as a result of genetically controlled processes, known as maturation, [4] or environmental factors and learning, but most commonly involves an ...