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
Mefipristone causes __________ on fibroid 
Select and explain. 
A. Hyperplasia of fibroid, B. Atrophy of fibroid, C. No effect on fibroid, D. Varies with age
B: Atrophy of fibroid
Answer: B: Atrophy of fibroid 
Explanation: MIfepristone is anti-progestin, which induces atrophy in leiomyomas.