This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
A pregnant mother is treated with oral anticoagulant.The likely congenital malformation that may result in the fetus is: 
Select and explain. 
A. Long bones limb defect, B. Cranial malformation, C. Cardiovascular malformation, D. Chondrodysplasia Punctata
D: Chondrodysplasia Punctata
Answer: D: Chondrodysplasia Punctata 
Explanation: 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.