You may notice your period has a lingering odor every month. Your period blood may smell if you have an infection or imbalance of vaginal bacteria. Leaving a tampon in for too long may also cause an ...
Sweat, changes in vaginal bacteria, and perimenopause may change the odor of your menstrual blood. A new, unpleasant smell could also point to an infection or, in some rare cases, cervical cancer. If ...