But by charting your BBT for a few months, you'll be able to see whether there's a pattern to your cycle.

http://www.babycenter.com/chart-basal-body-temperature-and-cervical-mucus

But by charting your BBT for a few months, you'll be able to see whether there's a pattern to your cycle, which may enable you to predict ovulation the next time around – as well as the best days to have sex (or be inseminated) if you want to get pregnant.