Confused by Fasting Blood Sugar

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mip
Regular Member


Date Joined Aug 2006
Total Posts : 77
   Posted 3/25/2008 5:55 AM (GMT -7)   

I am a 39 and healthy (in general) woman. I don’t have diabetes. Because of family history, I sometimes test my blood sugar at home just to check.

 

Yesterday and this morning, I checked my blood sugar. The following are the results:

 

  1. 82 around 6:00pm. 6 hours after lunch and 3 hours after my afternoon fruit snack. ( it was a normal day at office)

  2. 125. 2 hours after dinner

  3. 94 around 11:00pm before I went to bed.

  4. 94 at 7:30am this morning after 8.5 hour fasting.

I know 94 is within normal range. But it is much higher than 82 and I would like to get it down to 80s. I know my fasting can go down to 80s if I wait for 12 hours.

 

How long should I fast before I take the morning fasting test? 8 hours or 12 hours?

 

And also, my after-meal numbers vary widely. I have readings from 95 to 130. Do I need to worry?

 

I am doing everything now to keep diabetes at bay because of strong family history.    Thanks for any advice!


LanieG
Forum Moderator


Date Joined Nov 2006
Total Posts : 5396
   Posted 3/25/2008 6:28 AM (GMT -7)   

Hi mip, welcome to the Forum.  Your numbers are fine.  If they stay that way, don't worry.  The readings will vary after you eat depending on what you eat and how much you eat.  If you eat a lot of carbohydrates, your numbers will rise, so if you cut them down and eat more protein, the numbers will probably be lower.  Hours for morning fasts depend on the person; most people would test around 8 hours after sleeping.  My lab says nothing after 9:00pm when I go in for testing at 8:30am, yet they'll tell me to fast for "8 hours", so you can see the inconsistency there with time.  With a family history of diabetes, you are very wise to monitor this.  You can probably avoid full-fledged diabetes by watching the carbs, keeping your weight normal (lose weight if you need to) and engaging in regular exercise.  You're doing ok.

yeah


Lanie
forum moderator - diabetes
diabetes controlled so far by low/no carb diet and exercise; no meds


mip
Regular Member


Date Joined Aug 2006
Total Posts : 77
   Posted 3/25/2008 6:47 AM (GMT -7)   
Thanks Lanie. I am also confused by the normal resutls for 2 hours after-meal testing and random testing:

2 hour After-meal: 70-145
Random: 70-125

Random is defined as anytime during the day. So what if the 2-hr after meal is over 125, is that "abnormal" random testing and normal 2-hour after meal?

I am trying to keep my 2-hr after-meal under 120 by watching what I eat.

judy3
Veteran Member


Date Joined Nov 2006
Total Posts : 667
   Posted 3/25/2008 10:09 AM (GMT -7)   

HI MIP

I would highly recommned you see a diabetes educator or a nutritionist that specializes in  diabetes to help you stableize these numbers while they are not bad at all your numbers are going up after meals, so your body is having a hard time with carbs, you might try to cut out some carbs but knowing what you are dealing with makes it much easier to maintain normal blood sugar levels and avoid diabetes complications


LanieG
Forum Moderator


Date Joined Nov 2006
Total Posts : 5396
   Posted 3/25/2008 10:15 AM (GMT -7)   
Mip, you've touched on the very subject (one of many, actually) that seems to drive us crazy.  What is normal?  Even diabetes associations, doctors and labs can't agree on what is normalNormal blood glucose numbers and the parameters that we're supposed to stay within have even changed throughout the years, so it's frustrating to look for definitive answers.  People who are diagnosed as diabetics today might not have been considered diabetics years ago, as these parameters have been lowered in some offices.  In any case, trying to keep your 2-hour number after a meal ("postprandial") under 120 would be a good goal, in my opinion.  Some literature (new or old) mentions readings of 140, 145 or keeping under 160 after meals - I believe these are too high on a regular basis and will eventually have harmful effects on the body, according to what I've read in some books.  A book on diabetes by Dr. Richard Bernstein says that a "normal" person's blood sugar rarely is higher than the 80's.  But, let's say, you attend a wedding and go ahead and eat the whole meal (with rolls) and cake, have a mixed drink or two (containing sugar), then you'll have a much higher number 2 hours later than you want.  However, you don't eat like everyday, so an occasional splurge won't kill you.  If you find yourself splurging a lot, really often, for some reason then you'll know that you have to rein yourself in.  You're at the point with this disease to be able to control your numbers without medication and as long as you can do this, you're fine.  You need to keep an eye on the rising numbers.  If you see an upward trend, then you know you'd have to adjust your diet and maybe lifestyle of exercise.  Sorry if this is confusing.   
eyes



Lanie
forum moderator - diabetes
diabetes controlled so far by low/no carb diet and exercise; no meds

Post Edited (LanieG) : 3/25/2008 11:21:14 AM (GMT-6)


mip
Regular Member


Date Joined Aug 2006
Total Posts : 77
   Posted 3/25/2008 11:32 AM (GMT -7)   
I agreed with you Lanie. Some information out there are very confusing. So I set my own goal is to control after-meal under 120 and fasting under 90 by diet and exercise. Thank you all.

groggy
New Member


Date Joined Mar 2008
Total Posts : 14
   Posted 3/25/2008 1:53 PM (GMT -7)   
i'm as confused about the glucose levels as u are and i have been to 2 different nutritionists - several times to the last one [first one had me constnatly eating and my numbers got higher].
my neighbor lent me her copy of DIABETES FOR DUMMIES [same as computer, etc for dummies series]
it's great! strightforward; everyday language, practical and under $20 [less online]

LanieG
Forum Moderator


Date Joined Nov 2006
Total Posts : 5396
   Posted 3/25/2008 9:04 PM (GMT -7)   
That's great, groggy.  I like reading up on this from different sources also.  The bottom line is learning what works for us individually.

Lanie
forum moderator - diabetes
diabetes controlled so far by low/no carb diet and exercise; no meds


judy3
Veteran Member


Date Joined Nov 2006
Total Posts : 667
   Posted 3/26/2008 7:30 AM (GMT -7)   

HI Everyone,

I dont think I need to hear what any organization says or any endo or diabetes instructor, I know that as soon as my number start going up I get tired, over 110 and I am yawning.... I have no idea how some people walk around with blood sugar levels of 200-300 how do they function? I feel extremlly blessed to have a low tolerance level for high blood sugar numbers so I have an extra incentive to stay low.


gelchick
Regular Member


Date Joined Aug 2006
Total Posts : 477
   Posted 3/26/2008 8:39 AM (GMT -7)   
 Hi Judy,
Your post got me to thinking (always a dangerous thing!).
 
I was running in the mid 400's when I was diagnosed- and I felt and functioned just fine. It's amazing how adaptable the human body can be. You can be killing yourself one cell at a time and never know it. You are so lucky to get sleepy when your sugar rises- nothing usually happens to me either way (hi or low).
 
I felt just awful all the time as my numbers started to come down after diagnosis and my doctor was carefull to have me do it gradually. I wound up in the ER thinking I was on death's doorstep the first time I hit 250- I had every symptom of a classic low-and they treated me as if I had gone low. They gave me 15 grams of glucose and waited 15 minutes to see how I felt- I went up about 20 points and I was okay. The ER nurse taught me how to deal with that, and I used the technique until I came into the normal range most of  the time. I stopped having crashes as I inched closer to non-diabetic ranges.
 
It allowed me to go to work and take care of my duties and responsibilities while I learned how to be a person with diabetes. Now, I have to test a fair amount in order to be sure my sugar is okay. The other day, at the car show, I felt a little tired and hot and thought I might be high because I was sampling some of the gourmet goodies at the food display. Wrong! I was hovering at 65- I was amazed and grateful for that free one touch mini meter - and the fact, that all my exercise was going to allow me to have that sample bite of cheesecake I nearly passed up-lol
sandy
I just want to live happily ever after-every now and then. Jimmy Buffett


mip
Regular Member


Date Joined Aug 2006
Total Posts : 77
   Posted 3/27/2008 12:50 PM (GMT -7)   
I can pretty much feel it once my blood sugar goes over 130. It is awlful and not comfortable. I am happy that I have a low tolerance so it warns me early on.
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