This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
[{'content': 'A 26yr old pregnant mother who had previous twin delivery visits ANC OPD for routine check up she is sure of her dates with 36 wks pay what is the obstetric score \nSelect and explain. \nA. g3p1, B. g2p1, C. G2P2, D. G3P2', 'role': 'user'}, {'content': 'Answer: B \nExplanation: REF : DUTTA 9TH ED', 'role': 'assistant'}]