1 doctor weighed in:

How could warfarin effect an embryo that is 2 weeks old in fetal age (4 weeks gestational)? There isn't even a placenta yet

1 doctor weighed in
Dr. Timothy Raichle
Obstetrics & Gynecology

In brief: Great question

This assumes that you know exactly when you conceived.
We see women all the time who have incorrect dates based on irregular timing of ovulation, conception and implantation. The fact is, warfarin is 'teratogenic' in the first trimester. Why would you take this risk? Talk to an mfm specialist.

In brief: Great question

This assumes that you know exactly when you conceived.
We see women all the time who have incorrect dates based on irregular timing of ovulation, conception and implantation. The fact is, warfarin is 'teratogenic' in the first trimester. Why would you take this risk? Talk to an mfm specialist.
Dr. Timothy Raichle
Dr. Timothy Raichle
Thank
1 comment
Dr. Timothy Raichle
I think that this is actually a reasonable plan!
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