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: Unknown
[{'content': 'Best monitoring of progress of labor is done by \nSelect and explain. \nA. Partogram, B. Bishops score, C. Manning score, D. Regular vaginal examination', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans-A', 'role': 'assistant'}]