For Adolescence we have terms and definitions in 6 topics. The topics are Developmental Psychology, Endocrinology, Problem Teenagers, Reproductive Infections, Sex and Sexual Health.

Ages 12 to 19.
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The teenage years; the physical and mental transition from child to adult (see puberty).
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The period from the onset of puberty until the beginning of adulthood.
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The transition between puberty and adulthood.
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The stage of development that occurs during puberty.

The period of physical and emotional change between puberty and adulthood.
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