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Growth pattern of low birth weight babies in the first year of life

K Sridhar1, B V Bhat, S Srinivasan

  • 1Department of Pediatrics, Jawaharlal Institute of Postgraduate Medical Education and Research, Pondicherry, India.

Indian Journal of Pediatrics
|July 26, 2002
PubMed

Insights

Low birth weight (LBW) babies who are smaller and less mature show delayed catch-up growth. Early recognition and improved feeding practices are crucial for better outcomes in these vulnerable infants.

Area of Science:

  • Pediatrics
  • Neonatology
  • Growth and Development

Background:

  • Low birth weight (LBW) is a significant risk factor for impaired growth and development in infants.
  • Understanding the trajectory of catch-up growth in LBW infants is crucial for timely interventions.

Purpose of the Study:

  • To prospectively analyze the growth patterns of low birth weight (LBW) infants up to one year of age.
  • To compare the growth of LBW infants with appropriate for gestational age (AGA) controls.

Main Methods:

  • A prospective study included LBW infants categorized by birth weight and gestational age, with AGA infants as controls.
  • Measurements of weight, length, and head circumference were taken at birth and every two months until one year.
  • Growth distance curves were generated to analyze catch-up growth patterns.

Main Results:

  • Infants with birth weight >1.25 kg and gestation >30 weeks demonstrated good catch-up growth, nearing control levels by one year.
  • Infants with birth weight <1.25 kg and gestation <30 weeks exhibited poor and delayed catch-up growth, with persistent lags.
  • Head circumference showed rapid initial growth followed by a decline; however, the smallest and least mature infants still lagged at one year.

Conclusions:

  • The smallest and most premature infants experience delayed and inadequate catch-up growth.
  • Identifying factors influencing catch-up growth and implementing strategies like optimized feeding are essential for improving outcomes in LBW infants.
Abstract

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