Initial data from the IAN Project -- the first U.S. autism registry -- will be presented at the 7th Annual International Meeting for Autism Research (IMFAR) in London on May 15-17.
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Researchers explored risk of autism in children whose birth weight was less than 2500 grams (5.5 pounds) and whose gestational age was less than 33 weeks. Girls were more vulnerable to this risk factor than boys. However, prematurity and low gestational age were much greater risk factors for hearing loss, mental retardation, vision impairment, or cerebral palsy than for autism.
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