Do you notice body aches, fatigue, mild fever, or flu-like symptoms just before or during your period? If so, this experience, often called period flu, is linked closely to changes in the immune ...

Female sex hormones estrogen and progesterone fluctuate monthly across the menstrual cycle, affecting moods and energy levels. New research from the University of Oregon finds that those fluctuations ...

Learn why fluctuations in female reproductive hormones during the menstrual cycle and throughout life can cause or worsen migraines. Hormones are often portrayed in a lighthearted (if occasionally ...

As soccer's Women's Asian Cup continues in Australia, much analysis will inevitably focus on the physical: the speed of Mary ...

Understand what a healthy menstrual cycle looks like, including its phases, typical length, and signs of balance. Learn when ...