Abstract
AbstractPuberty is the transition between childhood and adulthood. A number of physical, cognitive, and emotional changes take place during this time. Both the physical and the cognitive changes proceed in a predictable manner. Physical changes are evaluated using sexual maturity rating, based on breast, pubic hair, and male genital growth. Cognitive and behavioral changes are classified into early, middle, and late adolescence. There is concern that puberty is occurring earlier than in years past. The role of endocrine‐disrupting chemicals is being investigated as a potential cause of earlier puberty. Puberty that occurs earlier or later than expected can have negative psychological consequences on the individual.
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