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': 'Prostaglandins can be used for medical termination of pregnancy by all routes except : \nSelect and explain. \nA. Intravenous, B. Intramuscular, C. Extra amniotic, D. Intra amniotic', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Intravenous', 'role': 'assistant'}]