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
Antenatal screening is done using the following except : 
Select and explain. 
A. Cord blood, B. Amniotic fluid, C. Chorionic villi, D. Peripheral lymphocytes
D: Peripheral lymphocytes
Answer: D: Peripheral lymphocytes 
Explanation: Peripheral lymphocytes