“The older the parents are at the time of conception, the more likely that the child will have autism,” says Andreotti

Risk factors that may increase the chances of having an autistic child include parental age. “The older the parents are at the time of conception, the more likely that the child will have autism,” says Andreotti. “If you already have a child with autism, you’re at a higher risk of having aother child with autism. And there’s also a high correlation between autism and seizure disorders.”