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[Differential physical growth during the first year of life. I. Body growth]
A Rosales-López1, A Martínez-Meza, G Sánchez-Aguilar
1Dirección de Antropología Física, Instituto Nacional de Antropología e Historia, México, D.F.
Insights
This study tracked child growth from birth to one year, measuring 44 body, head, and composition factors. Findings update pediatric growth standards for health professionals.
Area of Science:
- Pediatric Growth and Development
- Human Biology
- Biometrics
Context:
- Establishing up-to-date child growth and development standards is crucial for effective pediatric evaluation.
- Longitudinal research is essential for understanding typical developmental trajectories.
Purpose:
- To conduct a longitudinal study on the growth patterns of infants aged 0-1 year.
- To collect comprehensive data on body, head, and corporal composition measurements.
- To update pediatric growth standards for accurate health assessments.
Summary:
- The study involved 44 growth measurements (body, head, composition) in infants from birth to one year.
- Key parameters analyzed include stature, weight, sitting height, limb lengths, and various body breadths and depths.
- The research also details final growth increments, sexual dimorphism, and socioeconomic factors of the middle-lower class sample.
Impact:
- Provides updated growth charts essential for pediatricians and health policymakers.
- Contributes valuable biometric data for understanding early childhood development.
- Highlights the importance of socioeconomic context in child growth studies.
Abstract:
Keeping up to date the children growth and development standards, it is a necessity of main order for Health Secretary, because of it is possible an adequate pediatric evaluation. The present study, reports the results of a longitudinal research on growth in children of both sexes and ages from 0 to 1 year of extrauterine life. In all, we got 44 growth measures of the body, head and corporal composition. This report describes the shape of growth body, illustrates the general parameters of growth: stature and weight. Also it includes the dates correspondent to corporal segment growth: sitting height, upper and lower segments; upper extremity, upper arm, lower arm, hand, lower extremity, thigh, leg and foot lengths; ankle height; biacromial, bicrestal, thorax, elbow, wrist, hand, knee, ankle and foot breadths; and thorax depth. Moreover, we report the final increments for corporal segments studied, and the differences on sexual dimorphism. We describe the methodology, socioeconomic and cultural custom results. The sample was classificated within middle lower social class.