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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 ...
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.
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 girl, the testicles in a boy.
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When developmental change is discontinuous, however, researchers may identify not only milestones of development, but related age periods often called stages. These stages are periods of time, often associated with known age ranges, during which a behavior or physical characteristic is qualitatively different from what it is at other ages.
Adolescents experience significant changes in general physical self-concept at the onset of puberty, about eleven years old for girls and about 15 years old for boys. The bodily changes during puberty, in conjunction with the various psychological changes of this period, makes adolescence especially significant for the development of physical ...
The Tanner scale (also known as the Tanner stages or sexual maturity rating (SMR)) is a scale of physical development as pre-pubescent children transition into adolescence, and then adulthood. The scale defines physical measurements of development based on external primary and secondary sex characteristics , such as the size of the breasts ...
Puberty is thought to contribute to poor sleep during adolescence as teens undergo physical and social maturation. [14] For adolescents, this inclination is demonstrated by their tendency to stay up later and sleep longer, particularly on holidays or weekends. [ 15 ]