How can I keep track of my Menstrual Cycle?

You can keep track of your menstrual cycle by marking the day you start your period on a calendar. After a few months, you can begin to see if your periods are regular or if your cycles are different each month.
You may want to track:
Premenstrual syndrome (PMS) symptoms: Did you have cramping, headaches, moodiness, forgetfulness, bloating, or breast tenderness?
When your bleeding begins: Was it earlier or later than expected?
How heavy the bleeding was on your heaviest days: Was the bleeding heavier or lighter than usual? How many pads or tampons did you use?
Period symptoms: Did you have pain or bleeding on any days that caused you to miss work or school?
How many days your period lasted: Was your period shorter or longer than the month before?
You can also download apps (sometimes for free) for your phone to track your periods. Some include features to track your PMS symptoms, energy and activity levels, and more.