Very Preterm Birth Alters Brain Structure for Life, Studies Reveal

Being born very preterm—before 32 weeks of pregnancy—can lead to lasting changes in brain structure. Research shows these alterations affect critical regions like the hippocampus and prefrontal cortex. Scientists are now exploring how early brain imaging might help predict developmental challenges later in life.

Very preterm birth exposes infants to factors such as inflammation, low oxygen, and unstable oxygen levels. These conditions trigger neurostructural changes that persist into childhood and beyond. Studies using advanced neuroimaging reveal differences in white matter integrity and cortical thickness compared to full-term peers.

Key brain areas, including the hippocampus, prefrontal cortex, and corpus callosum, often show reduced volume in very preterm individuals. Disrupted myelination in white matter tracts has also been linked to slower processing speed, attention difficulties, and working memory problems. Such structural differences may raise the risk of psychiatric disorders like anxiety, depression, and ADHD.

Researchers stress the importance of long-term studies to track brain development over time. Early imaging findings could serve as biomarkers, helping doctors identify children who might need extra support. Neuroplasticity—the brain's ability to adapt—suggests that targeted interventions could improve cognitive function and quality of life.

The effects of very preterm birth on brain structure can last a lifetime. Reduced volumes in key regions and altered white matter may impact learning, memory, and mental health. With tailored support and further research, outcomes for those born very preterm could improve significantly.