Assessment of growth: variations according to references and growth parameters used

Marie-Françoise Rolland-Cachera1, Sandrine Péneau

  • 1INSERM, U557, Bobigny, France. mf.cachera@uren.smbh.univ-paris13.fr

Insights

Different growth references significantly impact infant growth interpretation and obesity risk assessment. Awareness of chosen methods is crucial for accurate clinical and epidemiological evaluations.

Area of Science:

  • Pediatric Growth Assessment
  • Obesity Risk Prediction
  • Public Health Nutrition

Background:

  • Numerous studies link early childhood growth to future obesity risk.
  • Significant variability exists in methodologies, particularly growth references and parameters used.
  • Discrepancies in growth assessment can lead to differing interpretations and parental advice.

Purpose of the Study:

  • To compare various international growth references against World Health Organization (WHO) standards.
  • To evaluate the impact of different references and growth parameters on obesity risk prediction.
  • To highlight the importance of consistent methodology in growth assessment.

Main Methods:

  • Comparative analysis of national growth references (France, US CDC, Netherlands, Belgium, UK) with WHO standards.
  • Examination of infant growth patterns (weight, length, BMI) across different age groups (0-3 months, 6+ months).
  • Evaluation of epidemiologic and clinical studies assessing consequences of using different references.

Main Results:

  • National references showed lower infant measurements than WHO standards in the first 3 months.
  • After 6 months, national references generally exceeded WHO standards.
  • Breastfed infants' growth aligned more closely with WHO standards, suggesting feeding practices influence reference differences.
  • Use of different references led to significant variations in interpreting child growth and predicting obesity risk.

Conclusions:

  • The choice of growth reference significantly alters the interpretation of infant growth trajectories.
  • Weight and length gains are identified as potential parameters for predicting future obesity risk.
  • Standardized and consistent methods for growth assessment are essential in clinical and epidemiological contexts.

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