Answer
Contact the prescriber or anticoagulant service immediately. Do not stop warfarin yourself; a specialist must assess fetal risks against the danger of untreated clotting.
Sources for this answer
- UK Teratology Information ServiceUK Teratology Information Service · Reputable Web
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.