Babies Born Early Have Lower Achievement Scores Than Those Born at 40 Weeks

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By Molly Grady

A new study in the journal "Pediatrics" finds infants born at 37 or 38 weeks, who are technically "at term," have an increased risk of developmental delays or other medical difficulties.

Researchers analyzed data from 128 thousand babies in New York City and matched their birth records with their 3rd Grade math and reading tests.

They found achievement scores for children born at 37 and 38 weeks were significantly lower than those of children born at 39, 40 and 41 weeks.

Scientists say the infant brain grows rapidly in the last weeks of gestation.
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