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
Gold standard for diagnosis of PID? 
Select and explain. 
A. Clinical triad of Pain, Fever and Cervical tenderness, B. Histologic confirmation of Endometritis, C. Diagnostic Laparoscopy, D. USG
C: Diagnostic Laparoscopy
Answer: C: Diagnostic Laparoscopy 
Explanation: Diagnostic LaparoscopyVisualization of purulent exudate coming through the fimbrial end of the fallopian tube is diagnostic of acute PI(D). The best material for culture is this exudate. Thus laparoscopy is the gold standard though diagnosis is mostly clinical. Laparoscopy is also the gold standard for ectopic pregnancy, ovulation, endometriosis.Ref: Shaw&;s Textbook of Gynaecology; 16th edition; Chapter 13; Pelvic Inflammatory disease