Study: Flu during pregnancy linked to autism

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They found mothers who reported having a fever or the flu for a week during pregnancy -- were at least twice as likely to have a child with autism.

ABC's Dr. Richard Besser breaks down this new research.

"Here's what they found: if a mother reported having flu during pregnancy her risk of having a child with autism increased from 1 to 2 percent -- if she reported having fever for seven days -- the risk went from 1 to 3 percent so while it's doubling or tripling -- it's still very small," said Dr. Besser.

Dr. Besser says the correlation reinforces recommendations that all pregnant women should get the flu shot.

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