This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Clinical Features, Diagnosis, and Pathology, Subject name: Gynaecology & Obstetrics
[{'content': 'Red degeneration in uterine fibroid is most common in- \nSelect and explain. \nA. Second trimester, B. Third trimester, C. Puerperium, D. First trimester', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e.. Second trimester", 'role': 'assistant'}]