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
Cervical incompetence is characterised by : 
Select and explain. 
A. Cerclage operation done, B. 2nd trimgster aboion, C. Premature rupture of mombrane, D. All
D: All
Answer: D: All 
Explanation: Ans. is a, b and c i.e. 2nd trimester aboion; Premature rupture of membrane; and Cerclage operation done