This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Gynaecology & Obstetrics
Amsel's criteria is used for; 
Select and explain. 
A. Gardnerella vaginosis, B. Candidiasis, C. Trichomoniasis, D. Chlamydia infection
A: Gardnerella vaginosis
Answer: A: Gardnerella vaginosis 
Explanation: Amsel's criteria is used for diagnosis of Bacterial vaginosis MC Vaginitis Caused by Hemophilus vaginalis aka Gardnerella vaginalis Amsel's criteria - >= 3 out of 4 required for diagnosis of Bacterial vaginosis Creamy discharge Whiff test + Fishy odor Clue cells