The mother of an infant with nasal hypoplasia and stippled epiphyses had taken warfarin sodium (Coumadin) throughout the pregnancy. Use of the drug may have had a teratological effect on the child.
William L. Shaul, Helen Emery, Judith G. Hall. Chondrodysplasia Punctata and Maternal Warfarin Use During Pregnancy. Am J Dis Child. 1975;129(3):360–362. doi:10.1001/archpedi.1975.02120400060014