Warfarin, teratogenicity of: The anticoagulant warfarin (COUMADIN) is a known teratogen, an agent that can disturb the development of the embryo and fetus and lead to birth defects..
Warfarin 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.
