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
Ultrasound is useful in detecting : 
Select and explain. 
A. Placenta pre, B. Intra-uterine growth retardation, C. Foetus associated with ascites, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: All of the above