IL6 and neurodevelopmental disorder: Ultimately, perturbations resulting in elevated maternal IL-6 levels during pregnancy are hypothesized to contribute to neurodevelopmental disorders, such as pervasive developmental disorders, hyperkinetic disorder, attention deficit disorder without hyperactivity, and schizophrenia (Allswede, Yolken, Buka, & Cannon, 2020; Gustafsson et al., 2020; Hsiao & Patterson, 2011; Wu et al., 2017).