Diet, health, and other factors can affect the natural odor of the vagina, but it should not smell foul. Infections, such as bacterial vaginosis, can.
Unusual vaginal odor happens from time to time. Even when you're taking good care of your body and your vagina, you may experience.
Vaginal odor may vary throughout your menstrual cycle and may be especially noticeable right after having sex. Normal sweating also can cause a vaginal odor.