This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infections of the genital tract, Subject name: Gynaecology & Obstetrics
Chronic pelvic pain is defined as pain of greater than ----- months in duration 
Select and explain. 
A. 1month, B. 3months, C. 6months, D. 12months
C: 6months
Answer: C: 6months 
Explanation: Chronic pelvic pain is defined as pain of greater than 6 months in duration, localized to the anatomic pelvis, and severe enough to cause functional disability or necessitating medical care.Ref: Berek and Novak&;s Gynecology; 15th edition; Chapter 16