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
All are seen in non immune hydrops foetalis except : 
Select and explain. 
A. Pericardial effusion, B. Large placenta, C. Skin edema, D. Ascites
A: Pericardial effusion
Answer: A: Pericardial effusion 
Explanation: Pericardial effusion