(Closed) What's more accurate; BBT charting or OPK?

posted 5 years ago in TTC
  • poll: What's a more accurate way to track ovulation?

    Using a BBT and charting.

    OPK's.

  • Post # 2
    Member
    1257 posts
    Bumble bee
    • Wedding: October 2014

    I never get clear super dark positives on Wondfos but do so in every other brand- just to give you peace of mind. As a teacher I have summers off and therefore wake up when I please so temping is hard. I put my stock in OPKs, tracking my CM and listening to my body. 

    Post # 3
    Member
    1417 posts
    Bumble bee
    • Wedding: September 2014 - Turf Valley

    Temping is the most accurate way to track ovulation.  You can get false positives on OPKs.  Some women surge multiple times during their cycle, but not every positive means ovulation.  OPKs are a good way to give you a “heads up,” but by no means are they comparable to the accuracy of temping to confirm ovulation.

    EDIT: I would use them in conjunction with one another, especially since BBT only gives insight into when you ovulated, not when you will.  Whereas OPKs can give you insight into when you will.

    • This reply was modified 5 years ago by  LMD.
    Post # 4
    Member
    4147 posts
    Honey bee
    • Wedding: August 2013

    I agree with PP. use them together. The OPK’s will give you a heads up that O is coming. BBT will confirm O happened and let you know how long your LP is and when you should test/expect AF

    Post # 5
    Member
    641 posts
    Busy bee
    • Wedding: March 2015

    View original reply
    Glasgowbound:  This. I used both and it really helps with the full picture. I also used a Clear Blue Advanced Digital because I do not trust my ability to read dipstick OPKs. Instead it’s like “Flashing Smiley! Let’s get started!”

    Post # 6
    Member
    3081 posts
    Sugar bee
    • Wedding: August 2012

    I think BBT is the most “accurate” but it only gives you the picture over time. So it doesn’t really give you a heads up when you’re ovulating each month, particularly if you fluctuate, but does give you nice data over time. I like the idea of using both for the best chances. I just charted/temped (started 4 months before TTC) but if I had needed to would have started OPKs as well. 

    Post # 9
    Member
    82 posts
    Worker bee
    • Wedding: February 2017 - Outdoors

    I have never used BBT’s but my OPK’s always goes super dark day before ovulation, my periods are regular 28 day cycles as well so it’s pretty much a sure thing. I think BBT is great to make sure you DID ovulate but OPKs are good to know WHEN you will ovulate. 

    Post # 10
    Member
    1831 posts
    Buzzing bee
    • Wedding: November 2013

    I voted LOL because I am a restless sleeper and wake up at least 3 times each night, so my temps were all over the place. I always got clear positives on OPKs. I think everyone is different.

    Post # 11
    Member
    3728 posts
    Sugar bee
    • Wedding: City, State

    View original reply
    CestTresJolie14:  Here is what my doctor told me– if you are an anal and have a boring life where they go to bed around the same time everyday and wake up around the same time every day, BBT and charting CM is the best way to do it. If you go to bed and wake up unpredictably, OPKs are great. I used charting and OPKs that is what she based my due date on.

    Post # 12
    Member
    368 posts
    Helper bee
    • Wedding: November 2013

    I have been doing both this cycle.  This is my first cycle using BBT.  I have been using OPKs for a while and found out I was pregnant the first cycle I used OPKs which made me feel very confident in them.   Since my miscarriage, they seem to not be giving me accurate readings.  This month I used my opk (i use clearblue advanced ovulation predictors)  and I got a peak reading on the 9th indicating I would O on the tenth.  My BBT charting indicated I ovulated on the 14.  So what is right?  I am assuming the BBT, but why would I get a peak OPK that early?

    Post # 13
    Member
    1257 posts
    Bumble bee
    • Wedding: October 2014

    View original reply
    CestTresJolie14:  hahaha omg TWINS! Fingers crossed it all works out well for you!

    Post # 14
    Member
    1245 posts
    Bumble bee
    • Wedding: October 2013

    There is no right answer for everyone. With that being said, temping worked well for me, not because I’m “boring” and go to bed/wake up at the same time every day, but because I was at the very least able to wake up to an alarm at 6:00, temp, and either get up and go on with my day (semester) or go back to sleep for a couple more hours (break). As you can see, I also teach and had a lot of luck charting, so I personally don’t think the erratic teaching schedule needs to be a barrier to temping. Once I got in the habit of temping it was not an inconvenience, regardless of where I was in the academic calendar. 

    Of course the other big difference, as a PP pointed out, is whether you function better knowing that ovulation is coming (OPKs) or retroactively reading charts to know when ovulation happened previously and might therefore happen again (temping). I am a data nerd and like pattern recognition, so I went with the latter. At the end of the day, I felt less chained to a thermometer and alarm clock than I did to a zillion pee sticks. Everyone is different. If you’ve struggled with OPKs for a while, it sounds like temping might be a helpful change of pace. Good luck!

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