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
Contraindications of circlage operation are all except: 
Select and explain. 
A. Leaking membranes, B. Features of amnionitis, C. History of vaginal bleeding, D. Pregnancy beyond 14 weeks
D: Pregnancy beyond 14 weeks
Answer: D: Pregnancy beyond 14 weeks 
Explanation: None