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
Hydrocephalus in the fetus is diagnosed by all except : 
Select and explain. 
A. Large fontanelle with widely separated sutures as felt on PV examination, B. High floating head, C. Serial ultrasound, D. CPD
D: CPD
Answer: D: CPD 
Explanation: CPD