Asperger syndrome: familial and pre- and perinatal factors.

Gillberg et al. (2005) looked back at medical charts of boys with Asperger Syndrome. They asked two questions: Does autism run in the father’s family? Did anything go wrong during pregnancy or birth?

Fifty-five percent of the boys had a father or paternal relatives with autism traits. One in four also had prenatal or birth complications. Family history and early risk factors both showed up in the same kids.

Guisso et al. (2018) later found the same kinds of risks in Lebanese children, plus new ones like mom’s infections. The picture keeps growing.

Puleo et al. (2012) narrowed the lens to dad’s age. They saw more autism in girls with older fathers, but not in boys. Christopher’s paternal link is broader; Morrow’s is age-specific.

Day-Watkins et al. (2014) added detail: fathers of autistic kids often show mild “broad autism” traits themselves. This backs the family-story data Christopher saw.

When you meet a new client, ask about dad’s side of the family and any pregnancy or birth events. If either pops up, plan extra screening for siblings and watch for medical issues that can affect learning. The intake form you already use just got two new must-check boxes.