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
One of the following is not true about vase pre: 
Select and explain. 
A. Blood of maternal origin, B. May be a cause of antepaum hemorrhage, C. Blood of fetal origin, D. Singer's test positive
A: Blood of maternal origin
Answer: A: Blood of maternal origin 
Explanation: Blood of maternal origin