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
Red degeneration of fibroid is due to : 
Select and explain. 
A. Thrombosis of the veins, B. Infection, C. Gangrene, D. Rupture of capsules
A: Thrombosis of the veins
Answer: A: Thrombosis of the veins 
Explanation: Thrombosis of the veins