Since 2013, numerous medical studies have shown a link between acetaminophen use during pregnancy and attention-deficit hyperactivity disorder (ADHD) and/or autism spectrum disorder (ASD) in children.
Recognizing Autism Spectrum Disorder (ASD) in Children: Social Communication and Behavioral Indicators
Children with ASD may have problems with social communication and show repetitive behaviors or restricted interests. Examples of social communication and social interaction related to ASD include avoiding or not maintaining eye contact; not showing facial expressions like happy, sad, angry and surprised by 9 months of age; using few or no gestures by 12 months of age; and not sharing interests with others by 15 months of age.