First things first: What exactly happens during the period?

Cycle phases: How your menstrual cycle affects you

Your cycle in seasons

What does the color of menstrual blood mean?

Period & sports - How to balance your cycle and training plan

Cycle & Nutrition - What to eat before and during your period

Cycle length, bleeding between periods, spotting, menstrual pain: what is normal?

More on the period & cycle subject?