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[Study on height-weight indices in newborns of different gestational ages]

Xiao-Yun Huang1, Hui-Long Liu, Hui-Fen Mai

  • 1Department of Obstetrics and Gynecology, Maternal and Child Health Care Hospital, Bao'an District of Shenzhen, Shenzhen, Guangdong 518133, China. lhl1816@126.com.

Zhongguo Dang Dai Er Ke Za Zhi = Chinese Journal of Contemporary Pediatrics
|November 18, 2015
PubMed

Insights

This study established height-weight indices for newborns across different gestational ages, finding that body density and enrichment increase with gestation. These newborn growth parameters were higher in boys than girls.

Area of Science:

  • Neonatal research
  • Pediatric growth assessment
  • Anthropometry

Context:

  • Accurate assessment of newborn growth is essential for identifying potential health issues.
  • Establishing normative data for height-weight indices across gestational ages is critical for clinical practice.
  • Previous studies may lack comprehensive data for diverse populations or specific indices.

Purpose:

  • To establish normative height-weight indices for newborns across a range of gestational ages (28-44 weeks).
  • To provide reference data for evaluating intrauterine fetal growth and development.
  • To compare gender-specific differences in these growth indices.

Summary:

  • Five gender-specific height-weight indices (Quetelet Index, Kaup Index, Rohrer Index, Livi Index, Polock Index) were calculated for 8,357 newborns in Shenzhen, China.
  • All indices demonstrated a positive correlation with increasing gestational age, peaking between 41-43 weeks.
  • Three indices (QI, KI, PI) were significantly higher in male newborns than in female newborns.

Impact:

  • Provides essential reference data for clinicians to assess newborn growth and identify potential deviations from norms.
  • Contributes to a better understanding of fetal development patterns and gender-specific growth trajectories.
  • Supports early identification and management of growth-related concerns in neonates.
Abstract

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