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': 'Medical treatment of ectopic pregnancy should be offered to those patients whose hCG level is less than: \nSelect and explain. \nA. 10,000 I Ll and the size of the mass is less than 4 cms, B. 5,000 ILI and the size of the mass is less than 5 cm, C. 7,500 ILJ and the size of the mass is less than 7.5 cm, D. 2,000 ItJ and the size of the mass is less than 3 cm', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 10,000 I Ll and the size of the mass is less than 4 cms', 'role': 'assistant'}]