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Longitudinal growth of infants in Qatar: comparison with WHO and CDC growth standards
Ashraf Soliman1, Mohamed Eldabbagh, Hany Khalafallah
1Department of Pediatrics, Hamad Medical Center, HMC, Doha, Qatar. ATSOLIMAN@yahoo.com
Insights
Infant growth in Qatar shows girls are longer than CDC/WHO standards at 12-18 months. WHO standards identify more infants as overweight, suggesting future health concerns for pediatric populations.
Area of Science:
- Pediatric Nutrition
- Public Health
- Growth Monitoring
Background:
- Accurate infant growth monitoring is crucial for early detection of malnutrition and obesity.
- International growth standards (CDC, WHO) are widely used but may not reflect local populations.
- Qatar's unique demographic and environmental factors may influence infant growth patterns.
Purpose of the Study:
- To compare longitudinal infant growth data from Qatar with established CDC and WHO growth standards.
- To evaluate discrepancies in identifying underweight and overweight infants using different growth references.
- To recommend appropriate growth standards for the Qatari pediatric population.
Main Methods:
- Longitudinal study of 300 full-term infants (150 males, 150 females) in Qatar.
- Sequential recording of infant weight and length at 2, 4, 6, 12, and 18 months of age.
- Comparison of Qatari infant growth data against CDC and WHO growth standards.
Main Results:
- Qatari girls exhibited greater mean length-for-age than CDC/WHO standards at 12 and 18 months.
- CDC weight-for-length standards identified a higher prevalence of wasted infants (9.0% males, 6.5% females) compared to WHO standards (6.27% males, 6.0% females).
- WHO standards identified more infants as overweight compared to CDC standards.
Conclusions:
- WHO growth standards are recommended for Qatari infants due to their basis on a leaner, breastfed reference population.
- The higher identification of overweight infants using WHO standards highlights potential future public health challenges in Qatar.
- Growth monitoring using appropriate, context-specific standards is essential for pediatric health surveillance in Qatar.
Abstract:
Longitudinal growth data for infants in Qatar were compared to growth standards published by the CDC and WHO. 300 randomly selected full-term normal infants (150 males, 150 females) in Qatar were followed-up and weight and length were sequentially recorded at 2 months, 4 months, 6 months, 12 months and 18 months age. The mean length for age of girls was higher than those published by the CDC and WHO at 12 and 18 months of age. Using the CDC standard for weight for length detected more wasted infants (9.0% and 6.5%) compared to using WHO standards (6.27% and 6.0%) for males and females, respectively. When WHO and CDC standards are compared, more infants were identified as overweight when the former were used. The WHO standards are preferable because they are based on a leaner breastfed reference and because overweight is likely to be a greater problem in Qatar in the future.
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