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In the first three units the programme includes gently introducing sex education to younger children, through puberty and birth, to media images, same-sex relationships and teenage pregnancy. The fourth unit covers puberty and body image in more detail, with a focus on maintaining a healthy mind and body.
[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 increased secretion of testosterone from the testes during puberty causes the male secondary sexual characteristics to be manifested. [23] Testosterone directly increases size and mass of muscles , vocal cords , and bones , deepening of the voice , and changing the shape of the face and skeleton . [ 1 ]
First published in 1994, It's Perfectly Normal has constantly been updated for the three anniversary editions in 2004, 2009, and 2014. [2] According to Dell'Antonia of The New York Times, Harris, with the purpose of teaching young individuals accurate and resourceful information about sex, had consistently included details of sexual intercourse and the events leading to pregnancy as well as ...
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 ...
[20] [21] Puberty which 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 ...
In humans, sex organs or primary sexual characteristics, which are those a person is born with, can be distinguished from secondary sex characteristics, which develop later in life, usually during puberty.
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.