Objective To derive the first systematically calculated estimate of the relative proportion of
boys and girls with autism spectrum disorder (ASD) through a meta-analysis of prevalence …

Autism spectrum disorder (ASD) is one the most disabling developmental disorders,
imposing an extremely high economic burden. Obtaining as accurate prevalence estimates …

Aim: To quantitatively examine the influence of study methodology and population
characteristics on prevalence estimates of autism spectrum disorders. Methods: Electronic …

Abstract Problem/Condition: Autism spectrum disorders (ASDs) are a group of
developmental disabilities characterized by atypical development in socialization …

Low‐and middle‐income countries are experiencing a significant reduction in mortality of
children under 5 years of age. This reduction is bringing in its wake large numbers of …

Background Autism spectrum disorder (ASD) is defined on a clinical basis by impairments in
social interaction, verbal and non-verbal communication, and repetitive or stereotyped …

In this chapter, we review existing prevalence estimates for autism spectrum disorders
(ASDs) since 2000 and discuss methodological factors impacting the estimation of …

Objectives To assess the risk of autism spectrum disorders (ASD) in children born after
assisted conception compared with children born after natural conception. Design …

Purportedly, there is a worldwide acceptance of diagnostic criteria for Autism Spectrum
Disorders (ASD); however, cultural differences in regards to what is considered normal …

Autism spectrum disorders (ASDs) represent a range of behavioural phenotypes defined by
impaired development in social interaction, communication, imagination, and range of …