This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Drugs in Pregnancy, Subject name: Gynaecology & Obstetrics
Oral anticoagulants given to pregnant women cause: 
Select and explain. 
A. Long bones limb defect, B. Craniofacial malformation, C. CVS malformation, D. Costochondrodysplasia
B: Craniofacial malformation
Answer: B: Craniofacial malformation 
Explanation: Oral anticoagulants given to pregnant women leads to Craniofacial malformation. WARFARIN EMBRYOPATHY Exposure between the 6th and 9th weeks may result in warfarin embryopathy. Stippling of the veebrae and femoral epiphyses Nasal hypoplasia with depression of the nasal bridge Choanal atresia, resulting in respiratory distress.