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Last Updated:
Sep 10th, 2007 - 18:59:21
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Question
I am not married yet, but engaged, and have been studying an NFP book. I began charting temperatures about 8 months ago. There is something, however, that I am concerned about. The thermal shift is supposed to last at least 3 days to be considered an actual thermal shift (when the temp rises) in Phase III. But in my case, what usually happens is the temperature will rise high for one day, and then drop back down the next day---it is then that my period starts. Why do I not maintain my high temperatures for long? Does this mean I am not ovulating. I have not begun using the mucus method, so I realize my results are harder to interpret, but if you have heard of this case before, you may know what it means. Thanks for your help!
Katie
Answer
Dear Katie,
The absence of a sustained thermal shift would indicate an anovulatory cycle. However, without more detailed information on your actual temperatures, and most importantly, other signs that offer critical
cross-checks, such as your mucus signs, duration of
bleeding, recent cycle length history, it isn't
possible to say precisely what is happening. We would
suggest you begin mucus observations and contact a STM
teacher directly, and together you will be able to
make a more accurate determination.
Ron and Andrea Gronsky
This question was answered by Ron and Andrea Gronsky, a certified teaching couple for the Couple to Couple League, and members of CANFP.
They have been teaching the Sympto-Thermal Method of natural family planning in the San Francisco Bay Area for 16 years.
© Copyright 2005 by CANFP
The information on this page and web site is for informational purposes only,
and is not a substitute for medical diagnosis and treatment by a physician.
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