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
Malignant prevalence in fibroid is: 
Select and explain. 
A. 0.50%, B. 1%, C. 5%, D. 10%
A: 0.50%
Answer: A: 0.50% 
Explanation: None