Although a slight vaginal odor is typical during menstruation, there are times when the smell of your period can be abnormal or unpleasant. To help you understand period smells and how to deal with them, we spoke with Dr. Shonda Corbett, MD, FACOG, Obstetrician-Gynecologist at Holy Name Medical Center in Teaneck, NJ, about why your period blood smells bad and ways to remedy the situation.