This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnosis in obstetrics, Subject name: Gynaecology & Obstetrics
Hazard of chorionic villous biopsy is: 
Select and explain. 
A. congenital hea disease, B. Spina bifida, C. Down's syndrome, D. miscarriage
D: miscarriage
Answer: D: miscarriage 
Explanation: COMPLICATIONS Fetal loss oromandibular limb deformities vaginal bleeding D.C.DUTTA&;S TEXTBOOK OF GYNECOLOGY,Pg no:107,7th edition