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
True about cervical incompetence is all except: 
Select and explain. 
A. 1st trimester aboion, B. Hegar's dilator can be passed in non pregnant state, C. History of trauma, can preceede, D. 2nd trimester aboion
A: 1st trimester aboion
Answer: A: 1st trimester aboion 
Explanation: 1st trimester aboion