Mazumdar, Soumya; Liu, Ka-Yuet; Susser, Ezra; Bearman, Peter
BACKGROUND Autism incidence and prevalence have increased dramatically in the last two decades. The autism caseload in California increased 600% between 1992 and 2006, yet there is little consensus as to the cause. Studying the seasonality of conceptions of children later diagnosed with autism may yield clues to potential etiological drivers. OBJECTIVE To assess if the conceptions of children later diagnosed with autism cluster temporally in a systematic manner and whether any pattern of...[Show more]
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