I am type 2 diabetes. Thanks to losing 10 kg my Hb1Ac reduced to 42mmol/mol on 28 Nov 2019.
I agreed with my doctor to come off metformin (2x 1g /day) in mid-Dec 2019.
It was a bit of a shock that my retest on 18 Feb 2020 came back with Hb1Ac at 55 mmol/mol.
My weight average over the 3 months before each test was the same
as were the blood sugar tests (prick finger and strips). I test once or twice a week in the morning before breakfast.
My three months averages were
Date weight BS Hb1Ac
[kg] [mmol/l] [mmol/mol]
28 Nov 2019 81.2 6.2 42
18 Feb 2020 81.1 6.1 55
From these data there should be no change, apart from the effect of coming of metformin.
If I look at my mos recent 10 blood sugar tests these were at 6.5 mmol/l,
which is ~0.5 mmol/l higher than the 3 month average.
From this I only expected an increase of +3 for my Hb1Ac,
which is much less than the measured rise of +13.
My questions:
1) What is the margin of uncertainty in Hb1Ac tests?
2) Is this increase normal when you come off metformin?
3) What is wrong in my argument that you should be able to predict Hb1Ac lever from your blood sugar tests?
This worked during last years' weight loss.
4) What should I do now?
My plan is to continue to fast twice a week when possible. I hope to reduce weight even more.
What is annoying is that my shoulder hurts and since Sept 2019, I have not been able to do judo anymore,
it also bothers me for cycling. I am doing physio, but that hasn;t helped so far.
PS
1) I note that many members have a signature at the bottom of their posts,
but I couldn't find where to add this info.
2) I gave more info on myself in another post "T2 reversed?" in Greetings and Introductions,
but it says I am not allowed to post links.
I agreed with my doctor to come off metformin (2x 1g /day) in mid-Dec 2019.
It was a bit of a shock that my retest on 18 Feb 2020 came back with Hb1Ac at 55 mmol/mol.
My weight average over the 3 months before each test was the same
as were the blood sugar tests (prick finger and strips). I test once or twice a week in the morning before breakfast.
My three months averages were
Date weight BS Hb1Ac
[kg] [mmol/l] [mmol/mol]
28 Nov 2019 81.2 6.2 42
18 Feb 2020 81.1 6.1 55
From these data there should be no change, apart from the effect of coming of metformin.
If I look at my mos recent 10 blood sugar tests these were at 6.5 mmol/l,
which is ~0.5 mmol/l higher than the 3 month average.
From this I only expected an increase of +3 for my Hb1Ac,
which is much less than the measured rise of +13.
My questions:
1) What is the margin of uncertainty in Hb1Ac tests?
2) Is this increase normal when you come off metformin?
3) What is wrong in my argument that you should be able to predict Hb1Ac lever from your blood sugar tests?
This worked during last years' weight loss.
4) What should I do now?
My plan is to continue to fast twice a week when possible. I hope to reduce weight even more.
What is annoying is that my shoulder hurts and since Sept 2019, I have not been able to do judo anymore,
it also bothers me for cycling. I am doing physio, but that hasn;t helped so far.
PS
1) I note that many members have a signature at the bottom of their posts,
but I couldn't find where to add this info.
2) I gave more info on myself in another post "T2 reversed?" in Greetings and Introductions,
but it says I am not allowed to post links.
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