This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rheumatoid Ahritis, Subject name: Medicine
[{'content': 'Which of the following condition improves with pregnancy? \nSelect and explain. \nA. Multiple sclerosis, B. SLE, C. Myasthenia gravis, D. Rheumatoid ahritis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Over 75% of rheumatoid ahritis patients repo improvement of symptoms in pregnancy. Generally, the autoimmune disease worsens/ same severity during pregnancy.', 'role': 'assistant'}]