Clinical Report: Brain Development and Neurocognitive Progression in Late Preterm Children

Overview

This study investigates neurodevelopmental outcomes in late preterm children compared to full-term peers, utilizing data from the Adolescent Brain Cognitive Development Study. The study employed longitudinal mixed-effects models to evaluate group, timepoint, and group-by-timepoint effects. Findings indicate subtle neuroimaging differences, particularly in diffusion tensor imaging metrics, but no significant differences in behavioral or cognitive outcomes.

Background

Late preterm (LP) infants, born between 34 and 36 weeks of gestation, represent a significant portion of preterm births and are at risk for various complications, including respiratory distress and developmental delays. Understanding the long-term neurodevelopmental outcomes of LP children is crucial, as they may face challenges in cognitive and emotional domains compared to full-term (FT) children. This study aims to clarify these outcomes during early adolescence.

Data Highlights

Key Findings

• Late preterm children showed no significant differences in behavioral and emotional problems compared to full-term children.
• Most cognitive outcomes did not differ significantly between LP and FT groups.
• Structural MRI identified group effects in six regional brain volumes.
• DTI metrics showed significant group effects and group-by-timepoint interactions.
• Findings indicate subtle neuroimaging differences in LP children during early adolescence.

Clinical Implications

Healthcare providers should monitor late preterm children for potential neurodevelopmental differences. Ongoing assessment may be necessary to address any emerging cognitive or behavioral issues.

Conclusion

The study emphasizes the importance of understanding neurodevelopmental outcomes in late preterm children, revealing specific neuroimaging differences while indicating no broad cognitive or behavioral disparities compared to full-term peers.

Related Resources & Content

1. Frontiers in Pediatrics, 2026 -- Neurodevelopmental outcomes in adolescents born very and extremely preterm: a prolonged follow-up from a single-center cohort
2. BMJ Paediatrics Open, 2026 -- Cognitive outcomes at preschool age in very preterm infants with normal MRI findings at term-equivalent age: identification of a vulnerable subgroup
3. Acta Paediatrica, 2026 -- Regional Brain Volume Differences Were Associated With Behavioural Outcomes in Children Born Preterm: A Systematic Review
4. Primary Care Framework to Monitor Preterm Infants for Neurodevelopmental Outcomes in Early Childhood | Pediatrics | American Academy of Pediatrics
5. Neurodevelopment at Age 9 Years Among Children Born at 32 to 36 Weeks’ Gestation | Pediatrics | JAMA Network Open
6. Stat News — Study highlights influence of socioeconomic status on children’s brain development
7. Primary Care Framework to Monitor Preterm Infants for Neurodevelopmental Outcomes in Early Childhood
8. Neurodevelopment at Age 9 Years Among Children Born at 32 to 36 Weeks’ Gestation
9. Preterm birth associated alterations in brain structure, cognitive functioning and behavior in children from the ABCD dataset | Psychological Medicine | Cambridge Core