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
Chorionic villous sampling done before 10 weeks may results in : 
Select and explain. 
A. Fetal less, B. Fetomaternal hemorrhage, C. Oromandibular limb defects, D. Sufficient material not obtained
C: Oromandibular limb defects
Answer: C: Oromandibular limb defects 
Explanation: Oromandibular limb defects