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': 'A 26-year-old primigravida diagnosed with severe rheumatic heart disease (Mitral stenosis with mitral regurgitation) is in early labour. The obstetrician wants to try a normal labour. Which of the following is the best labour analgesia for this patient? \nSelect and explain. \nA. Parenteral opioids, B. Neuraxial analgesia, C. Inhalational anesthesia, D. Spinal anesthesia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans- B Neuraxial analgesia Neuraxial analgesia reduces preload and afterload and reduces catecholamine surge and reduces heart rate. It also gives perineal analgesia and removes the urge to push.', 'role': 'assistant'}]