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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 ...
Maximal adult height is achieved at an average age of 15 years for an average female and 18 years for an average male. Potential fertility (sometimes termed nubility) usually precedes completion of growth by 1–2 years in females and 3–4 years in males. Stage 5 typically represents maximal gonadal growth and adult hormone levels. [citation ...
Biologically, an adult is a human or other organism that has reached sexual maturity. In human context, the term adult has additional meanings associated with social and legal concepts. In contrast to a legal minor, a legal adult is a person who has attained the age of majority and is therefore regarded as independent, self-sufficient, and ...
Adult height can be predicted from measurements of height at three years of age; males are approximately 53% of their adult height and females, 57%. Legs grow faster than arms. Circumference of head and chest is equal; head size is in better proportion to the body. "Baby fat" disappears as neck appears.
Coming of age, a very young person's transition from childhood to adulthood; Age of majority, the threshold of adulthood as it is conceptualized (and recognized or declared) in law; Puberty, the process of physical changes by which a child's body matures into an adult body capable of sexual reproduction
Most said that being an adult begins when you can pay you own bills (56%), be financially independent (45%), and put responsibilities over fun (38%). Other markers include moving out and joining ...
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Adolescence (from Latin adolescere 'to mature') is a transitional stage of physical and psychological development that generally occurs during the period from puberty to adulthood (typically corresponding to the age of majority).