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
Which of the following matrix metalloproteinase expression is increased in endometriosis 
Select and explain. 
A. MMP-1, B. MMP-2, C. MMP-3, D. MMP-4
C: MMP-3
Answer: C: MMP-3 
Explanation: MMP-3 expression is significantly increased in women with endometriosis.