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[Epidemiologic study on current pubertal development in Chinese school-aged children].

Mingqiang Zhu1, Junfen Fu, Li Liang

  • 1Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310003.

Zhejiang Da Xue Xue Bao. Yi Xue Ban = Journal of Zhejiang University. Medical Sciences
|September 12, 2013
PubMed
Summary

Precocious puberty affects 0.43% of Chinese children, with higher prevalence in northern regions. Obesity is linked to earlier puberty onset in both boys and girls.

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Area of Science:

  • Pediatric Endocrinology
  • Epidemiology
  • Child Health

Context:

  • Pubertal development timing is crucial for child health.
  • Precocious puberty, occurring earlier than typical, can have significant physical and psychological impacts.
  • Understanding regional variations in prevalence is essential for targeted health interventions.

Purpose:

  • To assess the current status of pubertal development in Chinese children.
  • To determine the prevalence of precocious puberty across different geographical regions of China.
  • To investigate the relationship between obesity and the onset of precocious puberty.

Summary:

  • A cross-sectional study surveyed 18,707 children (aged 6-18) across six Chinese regions, measuring physical and sexual maturation indicators.
  • The overall prevalence of precocious puberty was 0.43%, with higher rates observed in northern China compared to the southwest.
  • Earlier onset of precocious puberty in boys was noted in East China, and a positive association was found between obesity (higher BMI and waist-to-hip ratio) and precocious puberty in both sexes.

Impact:

  • The findings suggest current diagnostic criteria for precocious puberty are applicable in China.
  • Regional disparities in prevalence and onset age highlight the need for localized public health strategies.
  • The identified link between obesity and precocious puberty underscores the importance of weight management in pediatric care.