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: Unknown
[{'content': 'The rise in the incidence of ectopic pregnancy is related to all, except: \nSelect and explain. \nA. Increase in STD, B. ART techniques, C. Combine oral contraceptive pills, D. Tubal reconstructive surgery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Today rate of ectopic pregnancies has increased dramatically partly due to a rise in pelvic inflammatory disease (PID), and partly due to a number of other issues. Previous pelvic surgery, congenital or acquired abnormalities of the uterine cavity and fallopian tubes may contribute to the condition, as does tubal\nmicrosurgery, drug ovulation stimulation, and ART.', 'role': 'assistant'}]