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
Which of the following disease cannot be diagnosed by amino centesis : 
Select and explain. 
A. Trisomy 21, B. Duchenne's, C. Lesch Nyhan, D. Cleft lip
D: Cleft lip
Answer: D: Cleft lip 
Explanation: Cleft lip