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In the past, my brother has been kind enough to post some messages on this site (hence the Unclet login). I am writing to all of the mothers out there. We have been on this "Is it CF?" journey for a second time now. This time with sweat test results 48/42 (as opposed to 44/42 14 months prior)...

We just got results from our 2 1/2 year old.  His results 14 months ago were 44/42.  His results this time were 48/42.  Does anyone have any information on these results? Is this a good sign or not so good?