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: Gynaecology & Obstetrics
[{'content': 'Monitoring of b-HCG Useful in Mananement of \nSelect and explain. \nA. H.mole, B. Choriocarcinoma, C. Ectopic Pregnancy, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans is a, b and c i.e. H.mole, Choriocarcinoma and ectopic pregnancy', 'role': 'assistant'}]