Related Experiment Video
Updated: Aug 18, 2026
Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Prognosis for low-birthweight infants up to the age of 14: a population study
Insights
Low birthweight infants (<2500g) face higher risks for neurological and developmental issues, including cerebral palsy and educational subnormality, persisting into adolescence. These low birthweight children also exhibited reduced height at 14 years.
Area of Science:
- Pediatrics
- Developmental Neuroscience
- Public Health
Background:
- Low birthweight is a significant risk factor for adverse child health outcomes.
- Understanding the long-term neurological and developmental sequelae is crucial for early intervention and support.
- Previous studies have indicated potential links between birthweight and later-life challenges.
Purpose of the Study:
- To investigate the long-term incidence of neurological handicaps and developmental issues in a large birth cohort.
- To determine the association between low birthweight and specific conditions such as cerebral palsy, epilepsy, and educational subnormality.
- To assess the impact of birthweight on physical growth up to 14 years of age.
Main Methods:
- A prospective birth cohort study followed 12,058 infants until 14 years of age.
- Data collection included birthweight, incidence of neurological conditions, and educational performance.
- Statistical analysis compared outcomes between low-birthweight (<2500g) and normal-birthweight infants.
Main Results:
- Low birthweight infants showed a higher incidence of cerebral palsy, epilepsy, severe hearing defects, mental retardation, and educational subnormality.
- Educational problems were more prevalent in low-birthweight children, with or without other neurological handicaps.
- Children with birthweight between 1500-2499g had significantly more handicaps than heavier infants.
- Neurological handicaps were more common in boys, particularly mental subnormality.
- Low-birthweight children were significantly shorter at 14 years of age.
Conclusions:
- Low birthweight is a critical predictor of significant long-term neurological and developmental challenges.
- Early identification and intervention strategies are essential for mitigating the impact of low birthweight on child development.
- The findings underscore the importance of addressing factors contributing to low birthweight to improve child health outcomes.
Abstract:
A birth cohort of 12,058 infants was followed up to 14 years of age. Cerebral palsy, epilepsy, severe hearing defects, mental retardation and educational subnormality all had a higher incidence among the 411 children with a low birthweight (less than 2500 g). 6 per cent of the total cohort had educational problems with or without some other neurological handicap, and there was a higher prevalence among low-birthweight infants. 1.5 per cent had a handicap but normal school performance. Children with birthweight 1500 to 2499 g had a significantly higher percentage of handicaps than those of heavier birthweight. All the neurological handicaps were more common among boys than girls, but only in mental subnormality was there a marked difference. Height at 14 years was significantly less among low-birthweight children.
More Related Videos
Related Concept Videos
02:20Longitudinal Research
01:52Regression Toward the Mean