Vaginal discharge is an important sign of a healthy vagina. It is the normal discharge that occurs during a woman’s period. But, it can also be caused by a variety of medical conditions. Vaginal discharge can be white, yellowish, or greenish in color and may have a fishy odor. If you think that it could be caused by  a medical condition, then you should get vaginal discharge testing done. This will help you to rule out the condition and rule in bacterial vaginosis (BV).