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Definition of Coumadin, teratogenicity of
Medically reviewed by Min Clinic Staff | Updated: January 2026
Coumadin, teratogenicity of: The anticoagulant ("blood- thinner") Coumadin is a known teratogen, an agent that can disturb the development of the embryo and fetus and lead to birth defects..
Coumadin taken by a woman during pregnancy can cause bleeding into the baby's brain (cerebral hemorrhage), underdevelopment (hypoplasia) of the baby's nose and stippling of the ends (the epiphyses) of the baby's long bones.
Coumadin is a brand name of warfarin.