title: Does prenatal ultrasound increase risk of autism?
authors: Jed G
authors: JG
authors: Magen
mesh_terms: D001321:Autistic Disorder / Q000453:epidemiology / Q000209:etiology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D015995:Prevalence; D018570:Risk Assessment; D012307:Risk Factors; D016216:Ultrasonography, Prenatal / Q000009:adverse effects*; D014481:United States / Q000453:epidemiology