Defined and named in 1973, Fetal Alcohol Syndrome (FAS) is a disorder resulting from prenatal exposure to alcohol. It is characterized by abnormalities in three domains: 1) growth deficiency, 2) central nervous system dysfunction resulting in neurobehavioral disorders, and 3) a specific pattern of facial abnormalities. Confirmed maternal use of alcohol might or might not be documented.
Individuals exposed to alcohol prenatally who do not have identifiable deficits in all three domains required for an FAS diagnosis might be diagnosed with one of the other conditions under the Fetal Alcohol Spectrum Disorders continuum, such as Partial Fetal Alcohol Syndrome, Alcohol Related Neurodevelopmental Disorder or Neurobehavioral Disorder Associated with Prenatal Alcohol Exposure.
Source: FASD Competency-Based Curriculum Development Guide (2008)
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