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Related Experiment Videos

Intrauterine growth predictors.

M Mohan1, H K Chellani, S R Prasad

  • 1Department of Pediatrics, Safdarjang Hospital, New Delhi.

Indian Pediatrics
|November 1, 1991
PubMed
Summary
This summary is machine-generated.

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Midarm circumference (MAC) and MAC/head circumference (HC) ratio can identify neonates at risk for metabolic issues. MAC is a reliable substitute for weight in identifying low birth weight neonates.

Area of Science:

  • Neonatal research
  • Pediatric anthropometry
  • Public health nutrition

Background:

  • Accurate identification of neonates at risk for metabolic complications is crucial.
  • Birth weight is a key indicator of neonatal health but can be difficult to measure accurately in all settings.
  • Alternative anthropometric measures are needed to assess neonatal health and identify low birth weight.

Purpose of the Study:

  • To establish standards for midarm circumference (MAC) and MAC/head circumference (HC) ratio for identifying at-risk neonates.
  • To evaluate anthropometric variables as substitutes for weight in identifying low birth weight neonates.

Main Methods:

  • A study involving 2925 consecutive live births.
  • Correlation analysis between various anthropometric variables and gestational age.

Related Experiment Videos

  • Assessment of MAC, MAC/HC ratio, and ponderal index (PI) for their correlation with gestation.
  • Determination of the best anthropometric marker for birth weight prediction.

    • Main Results:

    • Significant correlations were found between studied anthropometric variables (p ≤ 0.001).
    • MAC, MAC/HC ratio, and PI showed the least correlation with gestation, making them suitable independent markers.
    • MAC demonstrated the strongest correlation with birth weight (r = 0.808).
    • Specific MAC thresholds (≤8.6 cm and ≤7.4 cm) showed high sensitivity and specificity for identifying neonates weighing ≤2500 g and ≤2000 g, respectively.
    • All studied anthropometric variables exhibited high negative predictive values (>90%) for ruling out low birth weight.

    Conclusions:

    • Midarm circumference (MAC) and MAC/head circumference (HC) ratio can be valuable tools for identifying neonates at risk for metabolic complications.
    • MAC serves as a reliable anthropometric substitute for birth weight in identifying low birth weight neonates, particularly when direct weight measurement is challenging.
    • Established MAC standards offer a practical approach to neonatal screening and health assessment in diverse clinical settings.