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
Surest sign of salpingitis is : 
Select and explain. 
A. Edema of tubes, B. Enlargement of tubes, C. Seropurulent discharge from the fimbria/ pa of the tube, D. Hyperaemic tubes
C: Seropurulent discharge from the fimbria/ pa of the tube
Answer: C: Seropurulent discharge from the fimbria/ pa of the tube 
Explanation: Seropurulent discharge from the fimbria/ pa of the tube