Final answer:
The primary complaint of a patient with bacterial vaginosis is usually copious discharge, along with other symptoms such as odor, burning, and itching. Gardnerella vaginalis is the major causative agent of bacterial vaginosis.
Step-by-step explanation:
The primary complaint of a patient with bacterial vaginosis is usually copious discharge(A), along with other symptoms such as odor, burning, and itching. Bacterial vaginosis is an imbalance in the normal vaginal microbiota, which can result in the overgrowth of certain bacteria and a decrease in lactobacilli.
According to the provided information, Gardnerella vaginalis is the major causative agent of bacterial vaginosis. Other anaerobic species may also be involved. The disease is usually self-limiting, but antibiotic treatment is recommended if symptoms develop.