This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endometriosis and dysmenorrhea, Subject name: Gynaecology & Obstetrics
[{'content': 'Most appropriate investigation of choice in endometriosis : \nSelect and explain. \nA. USG, B. Diagnostic laparoscopy, C. MRI, D. CA-125', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Laproscopy is the gold standard in the diagnosis of endometriosis Role of Laproscopy To detect and diagnose pelvic endometriosis Locate the site of endometriosis and staging To take biopsy To surgically treat endometriosis by ablation and removal. Ref : Shaw Gynecology 17 e pg 180.', 'role': 'assistant'}]