Emotions and Mental Health
What Happens to Your Mental Health in Each Phase of Your Menstrual Cycle
If you've ever felt inexplicably anxious the week before your period, unusually confident mid-cycle, or emotionally raw on the first day of your bleed, you weren't imagining it. Your brain chemistry changes in measurable, predictable ways across your menstrual cycle, and those changes have a direct impact on your mental health.
May 15, 2026