This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Anatomy
Appropriate material for antenatal diagnosis of genetic disorders includes all the following except : 
Select and explain. 
A. Fetal blood, B. Amniotic fluid, C. Chorionic villi, D. Maternal urine
D: Maternal urine
Answer: D: Maternal urine 
Explanation: Prenatal genetic diagnosis can be made by Chorionic villi sampling Amniocentesis Cordocentesis Fetal blood tests -Triple test. Ref: Datta Obs 9e pg 103.