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Related Experiment Videos

Model of normal prepubertal growth

N K Thalange1, P J Foster, M S Gill

  • 1Department of Child Health, University of Manchester.

Archives of Disease in Childhood
|November 1, 1996
PubMed
Summary
This summary is machine-generated.

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Childhood growth is a complex, non-linear process. Research reveals unpredictable spurts and stasis periods, alongside seasonal growth trends, making short-term growth irregular.

Area of Science:

  • Pediatric Endocrinology
  • Human Growth and Development
  • Biostatistics

Background:

  • Short-term growth models vary, including periodic cycles versus abrupt spurts (saltation and stasis).
  • Understanding growth variability is crucial for accurate developmental assessments.

Purpose of the Study:

  • To characterize the variability of short-term growth in healthy prepubertal children.
  • To analyze the patterns of growth spurts and stasis over one academic year.

Main Methods:

  • Studied 46 healthy prepubertal children with measurements three times weekly for one academic year.
  • Employed descriptive statistical approaches and regression modeling to analyze growth data.

Main Results:

  • Growth occurred in a biphasic manner with 3-6 unpredictable spurts (mean length 56 days) and stasis periods (mean length 18 days).

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  • Stasis periods accounted for at least 20% of the observation time.
  • Observed strong seasonal trends: declining growth in autumn/winter, with a spring spurt.

    • Conclusions:

    • Short-term human growth is discontinuous, irregular, and unpredictable.
    • The findings challenge simple linear or periodic growth models in children.