It’s not just a few days of bleeding — it’s a hormonal event.

Your period is the final act of a month-long cycle run by estrogen, progesterone, and other key messengers. When those hormones fall out of sync, your body lets you know with painful cramps, missing periods, or heavy bleeding. Your period is like a vital sign — a window into your hormonal health. If your cycle feels unpredictable, unbearable, or just plain confusing, you’re not broken — your hormones are trying to tell you something. Let’s break down the science behind your period and how you can feel more in control all month long.