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Related Experiment Videos

Sex differences in the secular changes in pubertal maturation.

A Papadimitriou1

  • 1First Department of Pediatrics, Penteli Children's Hospital, Athens, Greece. lix@ath.forthnet.gr

Pediatrics
|October 3, 2001
PubMed
Summary
This summary is machine-generated.

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Pubertal maturation is occurring earlier in girls compared to boys. Secular trends show girls experiencing this shift more intensely than boys, with earlier peak height velocity observed in recent decades.

Area of Science:

  • Pediatrics
  • Human Growth and Development
  • Endocrinology

Background:

  • Pediatricians observe earlier onset of secondary sex characteristics in girls versus boys.
  • Industrialized nations report trends toward earlier pubertal maturation.

Purpose of the Study:

  • To investigate sex differences in secular changes toward earlier pubertal maturation.
  • To analyze historical growth data for trends in pubertal timing.

Main Methods:

  • Collected growth data from Greek studies spanning 1928-1995.
  • Estimated age at peak annual height increment by analyzing yearly height increases.

Main Results:

  • Boys consistently showed peak height increment between 13-14 years.

Related Experiment Videos

  • Girls' peak height increment shifted to 11-12 years after the late 1960s.

    • Conclusions:

    • Significant sex differences exist in secular pubertal maturation trends.
    • Girls exhibit a more pronounced acceleration in pubertal timing compared to boys.