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    fertility tracking

    6 Do's and Don'ts while measuring with BBT Chart - Precautions while using BBT chart

    • 4.9   (5 Votes)
    Medically Reviewed by Dr. Deepika Tiwari - MS, MBBS on 13 Jul 2018 - Written by Dr. Manish Shah - MD, DGO, MBBS - Grammatically Approved by Dr. Kavita Jaggi Agrawal - MS, MBBS

    BBT chart is highly used to record basal body temperature. BBT chart includes starting the charting steps from the day one of the cycle, measure BBT at the same time every morning and be consistent with the method you use. BBT charting don'ts include taking less stress, avoiding alcohol, and avoiding use of normal thermometer.

    Though the ovulation calculator is quite reliable, BBT chart is the safest best. The overall goal of the BBT chart is to help you understand your body’s ovulatory and cycle patterns. It’s not an exact science so don’t panic if you accidentally oversleep once or occasionally forget to write down your daily temperature. That being said, there are some general guidelines of what and what not to do so you achieve success in charting your fertility and ultimately your reproductive goals, just like there are in ovulation calculators. Here are some precautions for BBT chart that you must follow to accurately chart your fertility.

    BBT Chart, Precautions for BBT Chart


    1. Do purchase a thermometer that is sensitive enough to read to the one-hundredth (0.01) of a degree Fahrenheit.

    2. Do keep all of the supplies you need (thermometer, Ela app, etc.) on your nightstand or somewhere handy so they’re immediately accessible when you wake up.

    3.Do start charting on the first day of your menstrual cycle, a.k.a. Cycle Day 1.

    4. Do try your best to take your temperature at around the same time each morning (including on the weekends). Set up a Glow reminder to help you stay on track.

    5. Do make sure that you take your temp before doing anything else - before eating, going to the bathroom, or even sitting up in bed.

    6. Do be sure to be consistent with whichever method - orally, vaginally, or rectally - that you choose for taking your temperature. Do it the same way each time for the most accurate results.

    BBT Chart, Fertility


    1. Don't use a regular thermometer that you would use for measuring your temperature while sick. Unfortunately, that kind isn’t sensitive enough for what you need.

    2. Don't move around before taking your temperature. Even just lying in bed awake for a few minutes before temping can affect the reading.

    3. Don't rely on memory for recording your temperature later. Record it in the Ela app as soon as you measure for the best accuracy.

    4. Don't go to bed too late. Remember, you need to sleep for at least 5 hours total and 3 consecutive hours of sleep before waking for a reliable temperature reading.

    5. Don't drink alcohol the night before. The reason being that drinking can cause elevated temperatures the next morning.

    6. Don't worry too much about anyone temperature until you’ve tracked the entire cycle.

    Remember, these are simple precautions for BBT chart to help you achieve success with your tracking. Like we mentioned before, charting BBT isn’t a perfect science and it’s okay if you have an occasional slip-up (don’t feel bad, it happens). It happens with ovulation calculators too. Just remember to log it in Ela App.

    And if there is a questionable reading or confusion around your fertile window, you can always check your cervical mucus or cervical position for some extra help, too. After all, the precautions of BBT chart are just a way of being double sure about your fertility.

    Get a complete guide to the right BBT thermometer which is reliable in terms of its accuracy. BBT thermometer should be capable of measuring the slightest temperature differences because mouth breathing can also impact BBT.

    Dr. Manish Shah

    Written by

    Infertility Specialist, Endoscopic Surgeon
    Dr. Manish Shah is a gynecologist and infertility specialist with years of experience in treating patients with different infertility problems. He completed his MBBS from NHL Municipal Medical College, Ahmedabad in 1999. Later, he went on to pursue DGO and MD in Obstetrics and Gynecology from K.M School of postgraduate medicine and research, V.S. General Hospital, Ahmedabad in the year 2001 and 2002 respectively. Dr. Manish Shah received the prestigious best video presentation prize on Fibroid Surgery at Endovision 2010 conference. He has expertise in the medical treatments like IUI, caesarean section delivery, hormonal IUD procedures as well as other artificial insemination procedures. Dr. Manish Shah is presently practicing at Tulip Womens Hospital, Ahmedabad.


    • Basal body temperature - how to measure bbt? should i chart bbt?  BBT chart, Elawoman - 2017
    • Bbt thermometer - precautions before choosing and using bbt thermometer  precautions for BBT chart, Elawoman - 2017
    • 6 do's and don'ts while measuring with bbt chart - precautions while using bbt chart  measuring your temperature, Elawoman - 2017
    • Ovulation time and menstrual cycle calculation - ovulation tracker app  ovulation calculators, Elawoman - 2017
    • Bbt thermometer - precautions before choosing and using bbt thermometer  BBT thermometer, Elawoman - 2017
    • Effect of mouth breathing on basal body temperature (bbt)  mouth breathing, Elawoman - 2017



    Rakenya Edmond

    I forget to take my BBT every day and also I found this method to be very difficult. One needs a lot of patience while using such methods of tracking ovulation.

    Oct. 1, 2018, 9:34 p.m. 5.0


    Harshita Rao

    I am using digital thermometer for measuring my BBT and I think it's not effective because it gives almost same temperature to me during my entire cycle.

    Aug. 31, 2018, 7:05 a.m. 5.0


    Surbhi Jaiswal

    My ovulation calculator works really well. I'll check my BBT too. I had come to know about this right now. Will definitely try.

    Aug. 23, 2017, 12:18 p.m. 5.0


    Keidra Keidg

    Checking BBT helps in tracking pregnancy. Ovulation calculator is one of the resources to check fertility window. Tracking BBT and ovulation helps in planning pregnancy.

    Aug. 23, 2017, 12:15 p.m. 4.5


    Seema Deval

    BBT chart is used to measure your basal body temperature. This is the temperature counted when your body is at rest. Basal Body Temperature raises a bit high if there is pregnancy, so BBT checking is an important part of tracking a pregnancy.

    Aug. 23, 2017, 11:17 a.m. 5.0

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