Ladies, let’s talk about BBT charting! It’s shocking how many women aren’t familiar with this powerful tool for understanding their fertility. It can be used for contraception as well as conception.

Here’s a quick guide to get you started:

  1. Get a basal body thermometer (BBT) that measures temperature to two decimal places. This can be  general thermometer that you can buy at the pharmacy or supermarket. Usually its used under the arm but for BBT purposes, its best to put in your mouth alongside your cheek.
  2. Take your temperature every morning before getting out of bed, at the same time each day. If you need to take it at a slightly different time the odd day, take a note of the time you take it so that the temperature can be incrementally adjusted.
  3. Record your temperature on a chart or app.
  4. Notice the pattern: For the first half of you cycle, you temperature should be around 36 degrees Celsius and move up and down by up to 0.02 degrees. After ovulation, due to the surge in progesterone, your temperature will rise by 0.04 degrees or more and should stay at this or higher for the next 12/14 days.
  5. Observe Other Fertility Signs: Alongside BBT charting, pay attention to other fertility signs such as changes in cervical mucus and cervical position. The consistency and appearance of cervical mucus can indicate your fertile days. This is very important. When it becomes clear, stretchy, and resembling raw egg whites, this is likely the day of ovulation. This is the mucus that carries the sperm safely into the uterus.
  6. Your fertile window. These are the days leading up to ovulation and the day of ovulation itself. The fertile window spans around 5 before and two days after ovulation. If you are trying to conceive,  please don’t forget to have sex at least two days after you think you have ovulated. Each month can be out by a day or two so this will cover off a slightly later ovulation.
  7. Use this data to pinpoint your most fertile days and maximize your chances of conception or track your cycle for contraception.

Knowledge is power, and knowing your body’s signals is key to taking control of your reproductive health!


Log House Clinic