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
The causes of retention of urine in obstetrics and gynaecology is / are : 
Select and explain. 
A. lmpacted ovarian tumour, B. Retroversion, C. Hemotocolps, D. All
D: All
Answer: D: All 
Explanation: All