Table 4.

Challenges to early detection of autism

Challenges	Details
Cultural & educational	Lack of adequate awareness
	Cultural and linguistic barriers
	Stigma and fear
Disease-related	Continuous variability in symptoms and signs
	Diagnosis is largely subjective
	Frequent co-morbidities and overlapping with other disorders
	Lack of specific biological markers and ‎diagnostic criteria and tests
Resources-related	Limited funding, access to screening, and healthcare facilities