Abstract
Autism Spectrum Disorder (ASD) etiology has been related whit complex interaction between genetic and environmental factors. In the last years, numerous studies have suggested that maternal immune activation during pregnancy could be related to ASD in the offspring. This relation could be explained by the effects of pro-inflammatory cytokines, autoantibodies and microglial synaptic pruning during early embryonic development. Better understanding of Neurodevelopmental Disorders risk factors will support appropriate strategies of screening and management of risk population.

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