autism spectrum disorders registry in hamadan, iran: a study protocol

Autism spectrum disorder (asd) begins in early childhood and has short-term and long-term effects in later life. deficits in social communication, social interaction, and limited and repetitive behaviors characterize this disorder. we aimed to develop and design a registration system for asd patients in hamadan province to have comprehensive and valuable epidemiological data for researchers about the frequency, distribution, and causes of asd. this epidemiological information can help target prevention measures and plan care. by designing and developing a patient registry system for asd, valuable uniform epidemiological information about the web of causes and consequences of asd is available. the next step is to utilize valid and reliable information for public health, clinical, or policy purposes.