Abstract
Using a large Swedish‐based registry cohort, we estimated that preeclampsia is associated with a 25% increase in the likelihood of autism spectrum disorder (ASD), and a 15% increase in the likelihood of attention deficit hyperactivity disorder (ADHD) (n=2,842,230 and 2,047,619 respectively)(1, 2). Evidence suggests that certain non‐communicable diseases may have an effect across several generations(3, 4). However, whether there is any intergenerational link between preeclampsia exposure and ASD or ADHD outcome in the child is unknown. Therefore, we conducted a cross family analysis to examine the intergenerational association between preeclampsia and ASD and ADHD using a large population‐based cohort.