Important Safety Warning
Warfarin is classified as Contraindicated during pregnancy. Do not take this medicine without direct guidance from your obstetrician.
Is Warfarin Safe During Pregnancy?
Warfarin is CONTRAINDICATED in pregnancy. It causes warfarin embryopathy — nasal hypoplasia and bone defects.
Last reviewed: April 2026
Safety Summary
Warfarin is CONTRAINDICATED in pregnancy. It causes warfarin embryopathy — nasal hypoplasia and bone defects.
Category X — Never Use
Proven fetal abnormalities. Risk clearly outweighs any benefit.
Trimester-by-Trimester Guide
1st Trimester (Weeks 1–12)
NEVER. Causes warfarin embryopathy (facial/bone defects) weeks 6-12.
2nd Trimester (Weeks 13–26)
NEVER. Risk of brain hemorrhage in baby.
3rd Trimester (Weeks 27–40)
NEVER. Risk of fetal bleeding.
Brands Available in India
Safer Alternatives During Pregnancy
Your doctor may suggest one of these alternatives. Always confirm with your obstetrician.
Frequently Asked Questions
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Ask GoDavaii AIMedical Disclaimer: Pregnancy safety information is based on available clinical data and FDA classifications. This page is for educational purposes only and does not substitute professional medical advice. Every pregnancy is different — consult your doctor or gynaecologist before taking any medicine. Drug safety classifications may have been updated; always verify current guidelines.