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
Commonest congenital malformation in infant of a diabetic mother is : 
Select and explain. 
A. Neural tube defect, B. Hydrocephalus, C. Anencephaly, D. Sacral agenesis
C: Anencephaly
Answer: C: Anencephaly 
Explanation: Ans. is a/c i.e. Neural tube defect / Anencephaly