Posted: Jul 2, 2012 9:13 AM by NBC News
Updated: Jul 2, 2012 9:14 AM
Babies born just a couple weeks early are more likely to test poorly in grade school.
A new study out of Columbia University looked at more than 100,000 babies born between 37 and 41 weeks gestation.
The birth records were matched with the babies' third-grade math and reading test scores.
They found those born at 37 and 38 weeks gestation, technically considered "at term" deliveries, were more likely to have a reading impairment and score lower on math tests.
Experts say the fetal brain is rapidly developing during the last weeks of pregnancy, and an early delivery may disrupt the process.
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