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Endocrine Regulation In
This document discusses puberty and adolescent development. It defines growth and development, noting they work together in the complex process of maturing during adolescence. Puberty on average starts between ages 10-13 in girls and 12-15 in boys. It involves both adrenarche and gonadarche, which contribute to physical changes. These include development of secondary sex characteristics driven by increases in sex hormones from the ovaries/testes. Charts describe the typical stages of breast, pubic hair and other physical developments during this transition to adulthood.
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