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
Commonest complication of mature treatoma is: 
Select and explain. 
A. Torsion, B. Rupture, C. Haemorrhage, D. Malignancy
A: Torsion
Answer: A: Torsion 
Explanation: Torsion