Why take bbt in morning

Together, these two phases make the biphasic pattern. For some women, it takes a few days for the temperature rise post-ovulation to become obvious while for others, the rise is sharp and clear. A slow rise in BBT does not necessarily hurt your odds of getting pregnant, but it can make it more challenging to pinpoint when exactly ovulation happened.

A major drawback to the temperature method is that once you see that rise in BBT, it means that ovulation happened. So, by the time you see that BBT rise, your fertile window is closed for that cycle. But, if you have irregular cycles or variation in ovulation days, then it could be tricky to use this method for your fertility calendar.

Here are some other methods of tracking your fertility:. Can be inaccurate if you sleep in, have alcohol the night before, or doing anything after waking up and before checking. I am interested in Ava for personal use. You can track your cycle by taking your BBT every morning. Take your temperature at the same time every day before getting out of bed.

Next, record the results on a chart. If you have a somewhat regular cycle, the chart will help you predict when you will ovulate next. The change in your body temperature is very slight, so you need to use a special thermometer.

You can use a regular digital thermometer or buy a basal thermometer. A basal thermometer shows you the temperature in tenths of a degree. This allows you to note tiny changes in body heat. This thermometer is faster and more exact than a regular thermometer. Use a simple Fahrenheit temperature chart or Celsius temperature chart to track your temperature for several months.

You can find a basal thermometer or digital thermometer in a pharmacy or in the pharmacy section in many grocery stores. You can also find kits that include materials for measuring and charting BBT. These items are low in cost. Author: Healthwise Staff. This information does not replace the advice of a doctor. Similarly, if you're hoping to avoid pregnancy, you can use the basal body temperature method to figure out which days to avoid unprotected sex.

The basal body temperature method alone may not provide enough warning time to effectively prevent pregnancy. Often, people use this method in combination with other fertility awareness-based methods for avoiding pregnancy.

Basal body temperature can be used as a way to predict fertility or as a part of a method of contraception, by helping you gauge the best days to have or avoid unprotected sex. Tracking your basal body temperature for either fertility or contraception is inexpensive and doesn't have any side effects. Some women may choose to use the basal body temperature method for religious reasons. The basal body temperature method can also be used to detect pregnancy.

Following ovulation, a rise in basal body temperature that lasts for 18 or more days may be an early indicator of pregnancy. The basal body temperature method is often combined with the cervical mucus method of natural family planning, where you keep track of cervical secretions throughout the course of a menstrual cycle.

You might also use an electronic fertility monitor to measure hormone levels in your urine, which can tell you which days you're fertile. This combination of approaches is sometimes referred to as the symptothermal or symptohormonal method.

Likewise, using the basal body temperature method for birth control doesn't pose any direct risks, but it doesn't offer protection from sexually transmitted infections — and it's one of the least effective natural family planning methods. As many as 1 in 4 women — maybe even more — who use fertility awareness-based methods to prevent pregnancy will become pregnant after one year of typical use. Using the basal body temperature method along with another fertility awareness-based method for birth control may improve the method's effectiveness.

But, the method requires motivation and diligence. If you don't want to conceive, you and your partner must avoid having sex or use a barrier method of contraception during your fertile days each month.

Tracking your basal body temperature doesn't require special preparation. However, if you want to use the basal body temperature along with another fertility awareness-based method for birth control, consult your health care provider first if:. Take your basal body temperature every morning before getting out of bed. Use a digital oral thermometer or one specifically designed to measure basal body temperature.

Make sure you get at least three hours of uninterrupted sleep each night to ensure an accurate reading. For the most accurate results, always take your temperature using the same method.

Try to take your temperature at the same time each day, when you first wake up.