Basal Body Temperature (BBT) charting is a simple, free, and highly informative tool for understanding your menstrual cycle and fertility patterns. By taking your temperature each morning before rising, you can track the subtle hormonal shifts that accompany ovulation and the different phases of your cycle.
In Chinese Medicine, the BBT chart is read as a visual representation of the balance between Yin and Yang across the menstrual cycle, and a practitioner will use it to identify patterns of deficiency or excess. That is the traditional framework, not a biomedical test. In more ordinary terms, a chart can suggest whether and roughly when you ovulated, how long your luteal phase runs, and whether your patterns are shifting over a course of treatment. It is an indirect, imperfect signal rather than a diagnosis, and anything it raises that looks clinically significant we send back to your GP or fertility specialist for proper investigation.
If BBT charting is useful for your circumstances, we can show you how to record it and discuss the pattern alongside your history. It is optional and is not required for every fertility patient.
Even a single month of data can provide context, while several months may show a more detailed pattern. Charting can also become another source of anxiety. If it is doing that, there is no reason to continue.