<prompt> Answer this question truthfullyWhat is the definition of fetal alcohol syndrome?  <response>: <reason> Fetal alcohol spectrum disorders FASDs are a group of disorders that encompass fetal alcohol syndrome FAS, partial fetal alcohol syndrome, alcohol-related birth defects ARBD, alcohol-related neurodevelopmental disorder ARND, and neurobehavioral disorder associated with prenatal alcohol exposure ND-PAE. The most potent risk factor for FASDs include prenatal exposure to alcohol. FASDs is the leading preventable cause of birth defects and intellectual and neurodevelopmental disabilities in children. Early recognition, diagnosis, and therapy for FASD is associated with improved outcomes. 