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
Commonest type of ectopic pregnancy with rupture is: 
Select and explain. 
A. Isthmic, B. Ampulla, C. Interstitial, D. Intundibula
A: Isthmic
Answer: A: Isthmic 
Explanation: Isthmic