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
Best test for diagnosis of tubal patency Is : 
Select and explain. 
A. Laparoscopy, B. Hysterosalpingography, C. Endometrial biopsy, D. Mantoux test
A: Laparoscopy
Answer: A: Laparoscopy 
Explanation: Laparoscopy