Your doctor will ask you to describe the vaginal odor and discharge. He or she also will ask you about your medical history, including:
Your doctor also may ask if you have any other diseases, such as diabetes, or if you have used antibiotics recently.
Your doctor can diagnose bacterial vaginosis based on the results of a gynecological examination and laboratory tests of your vaginal fluid. There is no perfect test, but if you have three of the following four criteria, it is highly likely that you have bacterial vaginosis:
Your doctor may order other laboratory tests to look for other causes of vaginal discharge.
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