“…These factors include maternal age at delivery, educational background, parental history of autoimmune diseases, gestational age, delivery method, and pregnancy complications such as infection, anemia, thyroid dysfunction, hypertension, and hyperglycemia. Prior research has reported a correlation between maternal age at delivery, [ 39 ] educational background, [ 40 ] parental history of autoimmune diseases, [ 41 , 42 ] gestational age, [ 39 , 43 ] delivery method, [ 44 ] pregnancy complications, [ 43 ] and ASD in offspring, while some studies contradict these findings. [ 45 – 47 ] However, these disparate results might stem from the small number of cases analyzed in some investigations and differences in racial backgrounds.…”