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: Gynaecology & Obstetrics
[{'content': 'G2P1L1 with twin gestation has BMI of 26. What is the ideal weight gain recommended : \nSelect and explain. \nA. 37-54 lb, B. 31-50 lb, C. 25-42 lb, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: weight gain in a pregnant woman with twin gestation with normal BMI is 37-54lb, Reference: williams Textbook of obstetrics 24th edition page 912', 'role': 'assistant'}]