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
[{'content': '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 \nSelect and explain. \nA. Tocolytics, B. Dexamethasone, C. Antibiotics, D. Emergency encirclage', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 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.', 'role': 'assistant'}]