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Updated: Jul 19, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
Published on: February 2, 2017
Anthropometry and body composition of south Indian babies at birth
S Muthayya1, P Dwarkanath, T Thomas
1Institute of Population Health and Clinical Research, St. John's National Academy of Health Sciences, Bangalore 560 034, India. sumithra@iphcr.res.in
Insights
Indian babies
Area of Science:
- Neonatal anthropometry
- Body composition studies
- Indian infant health
Background:
- Birth weight is a key indicator of neonatal health.
- Understanding body composition in relation to birth weight is crucial for long-term health outcomes.
- Limited data exists on Indian neonates compared to Western populations.
Purpose of the Study:
- To compare body composition of Indian neonates with Western babies based on birth weight.
- To investigate the relationship between maternal and neonatal anthropometry and infant body composition.
- To assess the impact of increasing birth weight on neonatal body composition in India.
Main Methods:
- Prospective observational study conducted in Bangalore, India.
- Recruited 712 pregnant women, measuring maternal anthropometry.
- Assessed neonatal body composition (skinfold thickness, arm fat/muscle indices) at birth.
Main Results:
- Birth weight correlated significantly with neonatal skinfold thickness.
- Babies with higher birth weight showed a relatively higher arm fat index (AFI) to arm muscle index (AMI) ratio.
- Maternal height and fat-free mass were linked to infant length at birth.
Conclusions:
- Neonatal skinfold thickness in Indian babies is comparable to Western counterparts at similar birth weights.
- The association between birth weight and AFI appears steeper in Indian infants.
- Interventions to increase birth weight in India should consider potential impacts on body composition.
Objectives:
To assess the consequences on body composition of increasing birth weight in Indian babies in relation to reported values in Western babies, and to assess the relationship between maternal and neonatal anthropometry and body composition.
Design:
Prospective observational study.
Setting:
Bangalore City, India.
Subjects:
A total of 712 women were recruited at 12.5+/-3.1 weeks of gestation (mean+/-standard deviation, SD) and followed up until delivery; 14.5% were lost to follow-up. Maternal body weight, height, mid upper-arm circumference and skinfold thicknesses were measured at recruitment. Weight and body composition of the baby (skinfold thicknesses, mid upper-arm circumference, derived arm fat index and arm muscle index; AFI and AMI, respectively) were measured at birth in hospital.
Results:
The mean+/-SD birth weight of all newborns was 2.80+/-0.44 kg. Birth weight was significantly related to the triceps and subscapular skinfold thickness of the baby. In a small number of babies with large birth weight for gestational age, there was a relatively higher normalised AFI relative to AMI than for babies with lower or appropriate birth weight for gestational age. Maternal height and fat-free mass were significantly associated with the baby's length at birth.
Conclusions:
Skinfold thicknesses in Indian babies were similar to those reported in a Western population with comparable birth weights, and the relationship of AFI to birth weight appeared to be steeper in Indian babies. Thus, measures to increase birth weight in Indian babies should take into account possible adverse consequences on body composition. There were no significant relationships between maternal anthropometry and body composition at birth on multivariate analysis, except for sum of the baby's skinfold thicknesses and maternal fat-free mass (P<0.02).
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