Perimenopause, the transitional phase leading up to menopause, often brings a variety of changes for women, both physical and emotional. One of the most common—and frustrating—challenges during this time is an increase in belly fat.

Whether you are trying to conceive, interested in your hormone health or simply want to know when to expect your period, tracking your cycle can be a very useful tool. Tracking can be done with any or all of the below methods.