When to measure basal body temperature?
Best and actually the only time for charting basal body temperature is the morning: before getting up, before you go to the bathroom, before brushing teeth etc. Measure your basal body temperature first thing in the morning and always at the same time and your BBT chart will accurate. What are the ranges of basal body temperature? Typically the ranges in BBT are minimal. Additionally, to some degree there is a wide range of normal temperatures, and it is very possible to notice your BBT being higher one day and lower the other. However, BBT before ovulation will range from 97.0 to 97.6. Additionally, there is a general rule applied when charting BBT prior and after ovulation: when woman ovulates, her BBT rises for 0.2 degrees and stays elevated for at least 3 days comparing to the temperature from the previous 6 days. Than leads to conclusion basal body temperature measured after the ovulation is approximately 97.7 and above.
