Related Experiment Video

Updated: Mar 31, 2026

Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats
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Cognitive and Educational Outcomes After Preterm Birth or Low Birth Weight: An Umbrella Review and Meta-Analysis

Mingzheng Hu1, Tiffany Truong1, Sufen Zhu1

  • 1Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, England.

JAMA Pediatrics
|March 30, 2026
PubMed

Insights

Preterm birth and low birth weight are linked to lasting cognitive and educational challenges. Early identification and ongoing support are crucial for these individuals throughout their lives.

Area of Science:

  • Perinatal health
  • Developmental psychology
  • Educational outcomes

Background:

  • Improved perinatal care increases survival rates for preterm and low birth weight infants.
  • These infants face heightened risks for cognitive and educational difficulties.

Purpose of the Study:

  • To conduct an umbrella review and meta-analysis.
  • To synthesize evidence on cognitive and educational outcomes for individuals born preterm or with low birth weight.

Main Methods:

  • Searched multiple databases (PubMed, Embase, ERIC, etc.) for systematic reviews up to April 2025.
  • Two reviewers independently selected studies, extracted data, and assessed quality.
  • Reanalyzed effect sizes from primary studies and pooled data using random-effects models.

Main Results:

  • Preterm birth/low birth weight associated with lower IQ (g=-0.65), poorer reading (g=-0.65), math (g=-0.77), and spelling (g=-0.56) performance.
  • Increased need for special educational support (g=0.58) observed.
  • Associations were stronger with earlier gestation/lower birth weight, persisting into adulthood.

Conclusions:

  • Preterm birth and low birth weight are linked to persistent cognitive and educational disadvantages.
  • Highlights the need for early identification and long-term monitoring.
  • Informs health and educational planning for affected individuals.
Abstract

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