A new study reaffirms that taking Tylenol during pregnancy as directed is not linked to neurodevelopmental disorders such as ADHD or autism. ABC News' Hanna Battah reports. ▻ ↧ Video Tylenol study finds no link to neurodevelopmental disorders d... A new study finds that taking Tylenol during pregnancy is not linked to neurodevelopmental disorders such as ADHD or autism.