This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Normal Labour, Subject name: Gynaecology & Obstetrics
[{'content': 'Assessment of progress of labour is best done by: \nSelect and explain. \nA. Station of head, B. Rupture of membrane, C. Contraction of uterus, D. Partogram', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d, i.e. PartogramRef Dutta Obs. 7/e, p 530, Williams Obs. 23/e, p 406Partogram is the best method to assess progress of labour.', 'role': 'assistant'}]