The idea of varying your lifestyle throughout your menstrual cycle to help relieve PMS or period pain seems intuitive, but ...

Estrogen levels change throughout your period. There's also an inverse relationship between estrogen and melatonin. Melatonin levels are down when estrogen levels are up and vice versa.

Insider's takeaway In most cases, an unusual odor during your period doesn't pose a cause for concern. Changing your menstrual products on time and cleaning your vulva gently with water and a mild ...