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': "Which of the following disease cannot be diagnosed by amino centesis : \nSelect and explain. \nA. Trisomy 21, B. Duchenne's, C. Lesch Nyhan, D. Cleft lip", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cleft lip', 'role': 'assistant'}]