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.

Share article

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

Support Radiopaedia and see fewer ads

Updating… Please wait.
Loadinganimation

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.