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 of the following are contra-indications for trial labour except: 
Select and explain. 
A. Breech presentation, B. Outlet contraction, C. Primi gravida, D. Post cesarean pregnancy
C: Primi gravida
Answer: C: Primi gravida 
Explanation: Primi gravida