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
CA - 125 increased in all EXCEPT : 
Select and explain. 
A. T.B. of genital organ, B. Ovarian cancer, C. Endometriosis, D. Stein - leventhal syndrome
D: Stein - leventhal syndrome
Answer: D: Stein - leventhal syndrome 
Explanation: Stein - leventhal syndrome