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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.
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]
Pubertas praecox is the Latin term used by physicians from the 1790s onward. Various hypotheses and inferences on pubertal (menstrual, procreative) timing are attested since ancient times, which, well into early modernity were explained on the basis of temperamental , humoral and Jungian "complexional" causes, or general or local "plethora ...
Journal of Research on Adolescence is a peer-reviewed academic journal published quarterly by Wiley-Blackwell on behalf of the Society for Research on Adolescence.The journal covers research on adolescence using both quantitative and qualitative methodologies applied to cognitive, physical, emotional, and social development and behavior.
Puberty is considered delayed when the child has not begun puberty when two standard deviations or about 95% of children from similar backgrounds have. [7] [8] [9]In North American girls, puberty is considered delayed when breast development has not begun by age 13, when they have not started menstruating by age 15, [2] and when there is no increased growth rate. [8]
Familial male-limited precocious puberty, often abbreviated as FMPP, also known as familial sexual precocity or gonadotropin-independent testotoxicosis, [1] is a form of gonadotropin-independent precocious puberty in which boys experience early onset and progression of puberty. [2]
The age of consent is the age at which a person is considered to be legally competent to consent to sexual acts and is thus the minimum age of a person with whom another person is legally permitted to engage in sexual activity.
A voice change or voice mutation, sometimes referred to as a voice break or voice crack, commonly refers to the deepening of the voice of men as they reach puberty.Before puberty both sexes have roughly similar vocal pitches, but during puberty the male voice typically deepens an octave, while the female voice usually deepens only by a few tones.