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Puberty is the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction.It is initiated by hormonal signals from the brain to the gonads: the ovaries in a female, the testicles in a male.
Being prepubescent is not the same thing as being preadolescent. Instead, prepubescent (and sometimes child) is a term for boys and girls who have not developed secondary sex characteristics, [15] while preadolescent is generally defined as those ranging from age 9 to 12 years. [16] Preadolescence may also be defined as the period from 10 to 13 ...
The early stage of sexual maturation, also known as adrenarche, is marked by characteristics including the development of pubic hair, axillary hair, adult apocrine body odor, acne, and increased oiliness of hair and skin. The Encyclopedia of Child and Adolescent Health corresponds SMR2 (sexual maturity rating) with pubarche, defining it as the ...
Due to natural variation, individuals pass through the Tanner stages at different rates, depending in particular on the timing of puberty.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]
Boys typically begin to grow thick facial hair; Good overall relationship with family; Begins to see parents as human beings instead of authority figures; Friendships highly important, may have a wide circle of friends of both sexes; Many teenagers at this age are starting to drive on their own. Many teenagers at this age get their first jobs.
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Male development can only occur when the fetal testis secretes key hormones at a critical period in early gestation. The testes begin to secrete three hormones that influence the male internal and external genitalia: they secrete anti-Müllerian hormone (AMH), testosterone, and dihydrotestosterone (DHT). Anti-Müllerian hormone causes the ...
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