Fetal warfarin syndrome

Fetal warfarin syndrome (FWS) is a rare condition which can occur as a result of fetal exposure to maternal ingestion of warfarin during pregnancy.

Reported clinical features include:

Warfarin is a teratogenic drug. The increased risk of birth defects occurs particularly with warfarin use during ~6-9 weeks gestation.

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Article information

rID: 13434
System: Obstetrics
Synonyms or Alternate Spellings:
  • Fetal Warfarin syndrome
  • Warfarin embryopathy
  • Warfarin fetopathy
  • Fetal Coumadin syndrome
  • Coumadin fetopathy
  • Coumadin embryopathy
  • Dysmorphism due to warfarin

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