fertility tracking

Basal Body Temperature - How to measure BBT? Should I chart BBT?

  • 4.8 (5 Votes)
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Basal Body Temperature is one of the best ways to keep a track of ovulation which helps in conceiving a baby or avoiding pregnancy. BBT Thermometer is the best solution to measure and keep a check on the basal body temperature. You need to keep a BBT chart which will be helpful in saving money from extensive pregnancy tests.

Measuring your BBT, also known as basal body temperature, is a key aspect of Ela and many other fertility apps. Here's your guide about "How To Use BBT Chart"

The important thing to realize is that maintaining the BBT chart will only help you figure out if you’ve ovulated after it’s already happened. Once you’ve crossed ovulation, your basal body temperature will shift up by at least four-tenths (0.4) of a degree Fahrenheit. If your temperature stays elevated for at least 3 days after that shift, then you know that you’ve just crossed ovulation. Congrats!

It’s a pretty nifty tool for determining pregnancy, too. If your BBT chart shows a temperature elevation for more than 15 days without a period, there’s a good chance that you might be pregnant. Alternatively, if your BBT chart shows a dip in temperature, then your period is most likely on its way.

How do you Measure BBT:

Women often end up trying to answer the question of "How To Use BBT chart". A prerequisite to that is knowing how to measure BBT. Every morning, as soon as you open your eyes, before you stir or get out of bed, you take a special thermometer called a Basal Thermometer – which has 2 decimal places (ie. 97.67 degrees F) after the period rather than the normal one decimal place (ie. 97.7 degrees F) – and take your temperature. You can take it orally, vaginally, or rectally.

Ovulation Calcultor, Ovulation BBT

It’s best to set an alarm and do this at the exact same time every morning, including weekends. (Ela can help with this! Simply set a daily morning reminder for yourself in the reminders section.)

Should you chart Yes and No?:

Yes–every woman should at least try at some point to track their BBT for a few months. When done correctly, it can be a huge relief to know that ovulation has happened when you see that temperature dip followed by a spike. It might even save you money on pregnancy tests. BBT charting is as good as an ovulation calculator, or just a little behind.

There are other reasons to chart as well - Ela learns quickly from your BBT data. If you have a short luteal phase or other kinds of gynecological issues going on, charting your BBT can help you discover these patterns.

And last but certainly not least, measuring BBT puts you in control of your body. So much of fertility is passive, but tracking your BBT is proactive. It will help you learn more BBT chart doesn’t work for everyone. Some women work night shifts, which can make charting a lot trickier. Some women drink or take certain medications. Unfortunately, some women have PCOS. Others have insomnia or trouble falling asleep. Any of these can make your BBT chart look like it got hit by an earthquake!

BBT Chart, Ovulation

For all of those reasons, measuring BBT might just unnecessarily add to stress levels. So keep in mind that although BBT charting is wonderful, it’s just one tool in your reproductive arsenal. The ovulation calculator would work just fine for you, and the stress would not be as consuming. Tracking cervical mucus, cervical position, or taking OPKs are other options that might work just as well (or sometimes even better). You can see all of these log items on Ela period tracking cycle charts as well, which works as an ovulation calculator too, even if you do not track BBT.

Dr. Surveen Ghumman

About The Author

Infertility Specialist, Obstetrician Dr. Surveen Ghumman
Delhi

Dr. Surveen Ghumman is an infertility specialist and gynecologist specializing in IVF, Reproductive Endocrinology, Recurrent failures of implantation, Embryology, Fertility preservation and Surrogacy. Dr. Surveen has completed MBBS from Christian Medical College, Ludhiana in 1986 and MD in Obstetrics and Gynecology from Government Medical College, Amritsar in 1991. She has also pursued certificate courses in ART and Clinical Embryology from Manipal University and fellowships in Minimal Access Surgeries. She has also pursued Micromanipulation in ART in the year 2011. Dr. Surveen is practicing at The Fertility Clinic IVF Solutions and Max Super Specialty Hospital. For more information, visit elawoman.com

5 Comments

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Jigyasa Rawat

It was hard for me to understand BBT results before but with the time it got easier. It's very accurate and easier method to track fertile days.

Oct. 1, 2018, 1 a.m. 4.5

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Ericka Grigsby

With BBT charting, you can track your pregnancy also. There are three essential approaches to spot conceivable pregnancy in a diagram: a triphasic design, an implantation plunge, or at least 18 days of high temperatures. If these are present, most probably you've conceived.

Nov. 1, 2017, 3:24 p.m. 5.0

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Damandeep Singh

Many women rely on BBT parameters and it's considered as one of the most accurate methods to track ovulation. But I have very hard time in detecting my ovulation with BBT. I think for me opks are the best.

Nov. 1, 2017, 3:20 p.m. 4.5

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Sonia Singh

I was really confused before choosing any of these ovulation calculators as each one is better. But now I made my mind after reading this article. It was really helpful.

June 28, 2017, 3:58 p.m. 5.0

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Akanksha Dwivedi

I feel BBT charting is really very stressful for me. If I forget to measure my temperature for one day my whole month schedule is disturbed.

Feb. 14, 2017, 9:59 a.m. 5.0

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