This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Anatomy
[{'content': 'Assesment of progress of labor is best done by \nSelect and explain. \nA. Station of head, B. Rupture of membranes, C. Contraction of uterus, D. Paogram', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Paogram is the best method to assess progress of labor', 'role': 'assistant'}]