Search for a rare disease

* (*) mandatory field

Other search option(s)

Suggest an update

(*) Required fields.


Only comments seeking to improve the quality and accuracy of information on the Orphanet website are accepted. For all other comments, please send your remarks via contact us. Only comments written in English can be processed.

Captcha image

Fetal alcohol syndrome

Disease definition

Fetal alcohol syndrome (FAS) is a rare 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) and severe central nervous system (CNS) abnormalities including microcephaly, and cognitive and behavioral impairment (intellectual disability, deficit in general cognition, learning and language, executive function, visual-spatial processing, memory, and attention).


Classification level: Disorder
  • Synonym(s):
    • ARBD
    • ARND
    • Alcohol-related birth defects
    • Alcohol-related neurodevelopmental disorder
    • FAS
    • FASD
    • Fetal alcohol spectrum disorders
  • Prevalence: Unknown
  • Inheritance: Not applicable 
  • Age of onset: Neonatal, Antenatal
  • ICD-10: Q86.0
  • OMIM: -
  • UMLS: C0015923  C0814154  C2985290  C3146244
  • MeSH: D005310
  • GARD: 599
  • MedDRA: 10016845

Detailed information


The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.