A pregnant mother is treated with oral anticoagulant.The likely congenital malformation that may result in the fetus is:: (A) Long bones limb defect, (B) Cranial malformation, (C) Cardiovascular malformation, (D) Chondrodysplasia Punctata
Answer is D. Warfarin is an anticoagulant drug.
Action : Interferes with the synthesis of the vitamin K dependent factors like II, VII, IX and X.
Side effects:

Hemorrhage
It leads to:

– Contradi’s syndrome : skeletal and facial anomalies in the fetus
– Chondrodysplasia punctata in the fetus.

Miscarriage, IUGR and stillbirths accentuates neonatal hypothrombinemia.