This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
A 32-week-pregnant woman with a history of two previous mid-trimester aboions presents with regular contraction of the uterus. The cervix is 2 cm dilated. All the following are done except 
Select and explain. 
A. Tocolytics, B. Dexamethasone, C. Antibiotics, D. Emergency encirclage
D: Emergency encirclage
Answer: D: Emergency encirclage 
Explanation: Circlage operation - the operation should be done around 14 weeks of pregnancy or at least two weeks earlier than the lowest period of previous wastage, as early as the 10th weeks Second-trimester aboion - mostly due to cervical incompetence.