Final answer:
ASD may be higher in boys due to genetics, social and environmental factors, diagnostic bias, and underreporting in girls.
Step-by-step explanation:
Autism spectrum disorder (ASD) is four times more prevalent in males than females. There are several reasons why ASD may be higher in boys:
- Genetics: Researchers believe that genetics plays a significant role in ASD. Certain genetic factors may contribute to a higher risk of developing the disorder in males.
- Social and Environmental Factors: Boys may face different social and environmental influences that could increase their risk of ASD. These factors may include differences in brain development and exposure to toxins or pollutants.
- Diagnostic Bias: There is evidence to suggest that ASD is more likely to be diagnosed in boys compared to girls. This may be due to differences in how ASD symptoms manifest or gender biases in the diagnostic process.
- Underreporting in Girls: Some studies suggest that ASD may be underdiagnosed in girls. This could contribute to a higher prevalence of the disorder in boys.