We're excited for you to get started with your Basal Body Thermometer (BBT) and better understand your menstrual cycle. Charting your temperature will help you gain insights into your cycle and reach your fertility goals.

Woman filling in a BBT chart

Getting Started in 3 Easy Steps

First, download our printable BBT chart. Recording your daily morning temperature will help you better understand your cycle and identify its different phases.

  1. Take Your Temperature: Measure your basal body temperature every morning before getting out of bed, ideally at the same time each day.
  2. Record Your Temperature: Mark your daily temperature on the chart with a dot and connect the dots to see how your temperature fluctuates throughout your cycle.
  3. Phases of the Cycle: It's important to understand that your cycle has different phases. The follicular phase (before ovulation) typically shows lower temperatures, while the luteal phase (after ovulation) shows a slight increase in temperature. By recording your temperature daily, you will get a better understanding of the exact pattern of your cycle.

Example of a BBT Chart

In your download, you'll find an example of a pre-filled BBT chart. This will give you an idea of what to expect when you start filling in yours. Don't worry if your pattern looks different: every woman's cycle is unique.

New to Charting?

For more information and tips on BBT tracking, subscribe to our BBT Basics email sequence. It will guide you through the 101 of temperature charting and help you get the most out of it.

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California Rural Indian Health Board Inc.

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