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04 May 2016

Preemies' brains boosted by breast milk

MRI scans have shown that babies who consume more breast milk have larger brain volumes.

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"The brains of babies born before their due dates usually are not fully developed," explained senior investigator Dr Cynthia Rogers, an assistant professor of child psychiatry at Washington University in St. Louis.

"But breast milk has been shown to be helpful in other areas of development, so we looked to see what effect it might have on the brain," Rogers said in a university news release.

Read: More hospitals offering donor breast milk for preemies

"With MRI scans, we found that babies fed more breast milk had larger brain volumes. This is important because several other studies have shown a correlation between brain volume and cognitive development," she said.

The study included 77 infants born at least 10 weeks early, with the average being 14 weeks premature. Brain scans were conducted on the infants at about the time when they would have been born if delivered at full term.

Read: The health benefits of breastfeeding

The scans revealed that infants whose daily diets included at least 50 percent breast milk had more brain tissue and cortical-surface area than those who received much less breast milk.

The findings were to be presented at the Paediatric Academic Societies annual meeting, in Baltimore. Research presented at meetings is considered preliminary until published in a peer-reviewed journal.

Read more:

Why breast is best

Why you should donate breast milk

Better pain relief needed for preemies

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