This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pelvic Inflammatory Disease, Subject name: Gynaecology & Obstetrics
1996 ASRM classification of endometritis includes- 
Select and explain. 
A. Intensity of pain, B. Location, C. Size, D. Number
B: Location
Answer: B: Location 
Explanation: Ans. is 'b' i.e., Location "Endometriosis is classified into one of four stages (I-minimal, II-mild, Ill-moderate, and IV-severe) depending on location, extent, and depth of endometriosis implants; presence and severity of adhesions; and presence and size of ovarian endometriomas. Most women have minimal or mild endometriosis, which is characterized by superficial implants and mild adhesions. Moderate and severe endometriosis is characterized by chocolate cysts and more severe adhesions. The stage of endometriosis does not correlate with the presence of or severity of symptoms; with stage IV endometriosis, infertility is very likely."