If you have ovaries, this emotional rollercoaster probably feels very familiar. While men don't experience a monthly hormonal ...

Feeling out of sync with your body and not exactly sure why? Some days workouts go well, yet the very next day, something might seem off. If this sounds familiar, you're not alone. The reason you ...

Medically reviewed by Peter Weiss, MD The start of your period is the beginning of the menstrual cycle, which typically lasts ...

Period flu refers to flu-like symptoms that appear before or during menstruation, triggered by hormonal changes in the body.

Editor's Note: We at PS recognize that people of many genders and identities have menstrual cycles. This particular story includes language from experts who generally refer to people with menstrual ...

A study finds that women consume about 168 more calories daily in the luteal phase, linking hormonal shifts to appetite and ...

Researchers found higher C-reactive protein levels during the follicular phase in women with sickle cell disease, indicating cycle-linked inflammation shifts.

A new scientific study shows that vaccination can cause changes to the timing of menstruation. But it also shows the effects are temporary, more akin to a sore arm than a serious adverse event. "I ...