Antenatal Ultrasound and Risk of Autism Spectrum Disorders
Published in Journal of Autism and Developmental Disorders
We evaluated antenatal ultrasound (U/S) exposure as a risk factor for autism spectrum disorders (ASD), comparing affected singleton children and control children born 1995–1999 and enrolled in the Kaiser Permanente health care system. Among children with ASD (n = 362) and controls (n = 393), 13% had no antenatal exposure to U/S examinations; case–c...
