(Closed) Temping- how accurate is it really!!

posted 4 years ago in TTC
Post # 17
Member
77 posts
Worker bee

If it is varying significantly within a short period of time then that would be cause for concern. That means that the instrument has low reliability. Whether that’s because yours is faulty, or the actual product is faulty I can’t say. You wouldn’t trust a scale if you stepped onto it and were 50 kg, stepped off, then stepped straight back on again and were 52 kg. I disagree that you shouldn’t measure yourself more than once. If you have doubts about the accuracy of an instrument, measuring yourself multiple times in a short period of time is good practice. Therefore I would say not to trust it, particularly if you are using it as natural family planning, until you can find out what level of variation would be normal to expect. Then again, if you are just using it out of interest and not relying on fertility tracking to avoid pregnancy, then you could probably take an average of 2 or 3 measurements and chart that for a more accurate indication. 

Post # 18
Member
575 posts
Busy bee

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tj99 :  I just made a test with my own thermometer which I used for temping, and measuraed within 2 min temperatures which varied within 0.5 degree Fahrenheit. However, that must not have been a problem at all. In fact, as long as the differencies are not too large, the precise reading doesn’t matter. There will be (normally) about a degree celsius change before and after ovulation and this is what will tell you that you have ovulated. For me, the ovulation date I got from my chart was exactly 9 months before the date I gave birth. By The Way, the temperature does not drop before your period, there will be a sharp drop once your period starts.

Post # 19
Member
61 posts
Worker bee
  • Wedding: May 2016 - Lewis Ginter Botanical Garden

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tj99 :  Even if the thermometer is accurate, you’ll still get minor fluctuations in the temperature, due to the thermometer being warmer now from being in your mouth, you’re no longer resting, etc. So trust and practice the method for about three cycles to see a clear pattern, and AFTER that, if something seems out of place, you can begin to rule out environmental factors (too hot in the room, not enough covers, etc.), or instrumental (thermometer is broken, needs battery replacement, etc.).

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