
The Menstruation Phase of Your Menstrual Cycle
Menstruation is your body’s process of shedding the lining of your uterus about every 28 days. This resets your body to prepare for the next month’s possibility of pregnancy. Medically reviewed by Holly Almond, RN, BSN. Why it matters: Understanding the menstruation phase of your menstrual cycle helps you prevent pregnancy, prepare for pregnancy, and



