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Fetal alcohol syndrome

Orpha number ORPHA1915
Synonym(s) Alcohol antenatal infection
Prevalence Unknown
  • Sporadic
Age of onset Neonatal/infancy
  • Q86.0
  • C0015923
  • D005310
  • 10016845
  • 205788004


Fetal alcohol syndrome (FAS) is a malformation syndrome caused by excessive maternal consumption of alcohol during pregnancy. It is characterized by prenatal and/or postnatal growth deficiency (weight and/or height <10th percentile); a unique cluster of minor facial anomalies (short palpebral fissures, flat and smooth philtrum, and thin upper lip) that presents across all ethnic groups, is identifiable at birth, and does not diminish with age. FAS affected children present severe central nervous system (CNS) abnormalities including: microcephaly, cognitive and behavioral impairment (intellectual disability, deficit in general cognition, learning and language, executive function, visual-spatial processing, memory, and attention).

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