Do children with autism have March birthdays?
One hundred people with autistic disorder (DSM-III-R) without a known cause who comprised a total population of children with autism were compared with "autistic-like" children, Asperger syndrome and age-matched comparison children from the general population and were examined with regard to month of birth. There was an excess of March birth in the group of children with autism. The possible reasons for this finding are discussed.
Gillberg
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Child Neuropsychiatry Centre, Göteborg, Sweden.
D000293:Adolescent; D000328:Adult; D001321:Autistic Disorder / Q000453:epidemiology / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D011247:Pregnancy; D011297:Prenatal Exposure Delayed Effects; D012307:Risk Factors; D012621:Seasons; D013548:Sweden / Q000453:epidemiology