Age at menarche and age of onset of pubertal characteristics in 6-14-year-old girls from the province of L'Aquila [Abruzzo, Italy]

Article Abstract:

A study on growth models of children from the Province of L'Aquila analysis the phases of pubertal breast development [BD] in 397 girls, pubic hair development [PHD] in 399 girls, and menarche in 583 girls from 6-14 years old is discussed. The evidence shows that the mean age at menarche is 12.55 years, which is in general agreement with other values, found in Italy and a secular trend is still in progress in this region.

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The association between pubertal status and sleep duration and quality among a nationally representative sample of US adolescents

Article Abstract:

The association between sleep and adolescent growth and developmental stage is examined in a large sample of adolescents ages 12-16 years from a nationally representative longitudinal study. The results, which are based on a large sample size, guarantee further examination with more objective measures into the association between sleep and growth and development among adolescents.

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Age of pubertal onset affects the intensity and duration of pubertal growth peak but not final height

Article Abstract:

This article examines the affects of the rhythm of maturation on the duration and intensity of height growth during puberty among both girls and boys, using longitudinal clinical follow-ups. Results found that late maturers were taller than early ones during puberty, but final height depending on age of onset did not differ in either sex.

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