Puberty and pubertal growth dynamics in children with idiopathic short stature

Aude Mariani1, C Jeandel, F Paris

  • 1Service de Pédiatrie 1, Centre Hopitalo-Universitaire Arnaud de Villeneuve, Montpellier, France. a-mariani@chu-montpellier.fr

Insights

Children with idiopathic short stature (ISS) experience delayed puberty and subnormal growth, leading to an unfavorable final height prognosis despite pubertal growth acceleration. Understanding these growth dynamics is key.

Area of Science:

  • Pediatric Endocrinology
  • Growth and Development

Background:

  • Idiopathic short stature (ISS) is associated with an unfavorable prognosis for final height.
  • Pubertal growth dynamics significantly influence final height outcomes.

Purpose of the Study:

  • To investigate the pubertal growth dynamics in children with idiopathic short stature (ISS).
  • To understand how pubertal timing and growth impact final height in ISS.

Main Methods:

  • Retrospective cohort study of 50 children diagnosed with ISS.
  • Analysis of the pubertal period, including age of onset and peripubertal growth patterns.

Main Results:

  • Puberty onset was delayed in children with ISS.
  • Prepubertal growth rates were subnormal, with height at -2.45 SD at puberty onset.
  • While growth reaccelerated during puberty, it was insufficient to normalize final height.

Conclusions:

  • Children with ISS exhibit distinct prepubertal and pubertal growth patterns.
  • Significantly delayed puberty contributes to the unfavorable final height prognosis in ISS.
  • These growth dynamics offer an explanation for the poor final height outcomes in ISS.
Abstract

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