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Rapid growth in infancy: balancing the interests of the child

Lawrence T Weaver1

  • 1Division of Developmental Medicine, University of Glasgow, and Royal Hospital for Sick Children, Glasgow, Scotland. lweaver@clinmed.gla.ac.uk

Journal of Pediatric Gastroenterology and Nutrition
|October 13, 2006
PubMed

Insights

Rapid infant growth, often encouraged for catch-up, may increase later risks of obesity and chronic diseases. Balancing short-term needs with long-term health is crucial for infant feeding recommendations.

Area of Science:

  • Pediatrics
  • Nutritional Science
  • Evolutionary Biology

Background:

  • Low birth weight and infant malnutrition are linked to immediate health issues.
  • Catch-up growth has historically been viewed as beneficial for child development and survival.
  • Emerging research suggests rapid postnatal growth may elevate risks for adult-onset chronic diseases.

Purpose of the Study:

  • To re-evaluate the long-term implications of catch-up growth in infants.
  • To explore the potential link between rapid postnatal weight gain and later-life health outcomes.
  • To inform revised infant feeding guidelines considering the whole life cycle.

Main Methods:

  • Review of recent studies on postnatal growth and adult health.
  • Integration of insights from evolutionary biology, life cycle theory, and animal husbandry.
  • Analysis of tissue composition (fat, muscle, bone) during catch-up growth.
  • Epidemiological and comparative zoology perspectives.

Main Results:

  • Rapid postnatal growth in infancy is associated with an increased risk of obesity, diabetes, hypertension, cardiovascular disease, and osteopenia later in life.
  • The composition of tissues gained during catch-up growth requires further investigation to understand causation.
  • Current assumptions about the universal benefits of catch-up growth may need revision.

Conclusions:

  • Infant feeding recommendations should balance immediate nutritional needs with long-term health prospects.
  • Optimizing maternal nutrition, promoting breastfeeding, and avoiding excessive postnatal weight gain are key strategies.
  • A life-course perspective, considering birth weight, gestation, and future nutritional environment, is essential for infant feeding decisions.

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