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Glucose Challenge Test
Best time to take it?


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#1 clm1982

Posted 03 December 2012 - 10:09 AM

Hi Everyone

This is my 2nd pregnancy and i remember i failed the first one, trying to avoid that this time i really didnt like the 2 hour test.

So when is the best time to take the test, in the morning, mid morning, mid afternoon?

I was thinking maybe have breakfast in the morning then an hour or 2 later have it done?

Is there any breakfast type foods i should avoid? Will toast and a cup of tea be ok?

Any midwifes out there?

Edited by clm1982, 03 December 2012 - 10:42 AM.


#2 whisk_

Posted 03 December 2012 - 10:25 AM

I had mine at 8am today.  

I'm only 16 weeks though, having it early on account of PCOS-related diabetes risk (and will have it again later on in the pregnancy).  

I was told to fast from 9pm last night for my 2 hour test and was told no water throughout the test (and certainly nothing else to eat or drink during the test).  

I've had it before and found it quite fine to be done with in the morning, especially with the fasting.  

Today it was a complete disaster as I'm still suffering quite badly from morning sickness and couldn't complete the test.  I managed to vomit all over myself from the glucose drink an hour into it and have to come back another day to get it done.  I think this is particular to me though as I'm still vomiting daily and can't go without eating something for long periods!!  Was so upsetting sad.gif  

In your case though I would be getting it done first thing in the morning and fasting from the night before, but I suppose that is because I haven't heard of getting the 2 hour one done without fasting.  (I understood that affected your blood sugar and skewed the result)

***

ETA:  Sorry, for the benefit of anyone who reads this later, my comment relates to the Glucose Tolerance Test.  OP has subsequently edited the original post.

Edited by whisk_, 03 December 2012 - 11:00 AM.


#3 clm1982

Posted 03 December 2012 - 10:37 AM

Im only doing the 1 hour one to start with but i remember failing it with my DD and i dont want to fail this time. Im not allowed to fast for the 1 hour test as it will give a wrong reading.

Whoops calling it the wrong thing, its the Glucose Challenge Test im doing

Edited by clm1982, 03 December 2012 - 10:41 AM.


#4 imamumto3

Posted 03 December 2012 - 10:39 AM

I always went in the morning.

My ob told me to eat a normal breakfast & as long as I didnt eat a mars bar on the way to the test, it should be fine.

I think I did avoid drinking juice that morning & just had cereal though just is case

Edited by imamumto3, 03 December 2012 - 10:42 AM.


#5 whisk_

Posted 03 December 2012 - 11:01 AM

Hi again,

Sorry, my comment related to the Glucose Tolerance Test not the Challenge.  That makes much more sense now as to why you're not fasting!  

I've amended my earlier post for the benefit of anyone who searches for this topic later.

#6 PrincessPeach

Posted 03 December 2012 - 11:04 AM

According to my SIL - don't eat a banana either.

That put her's over & she had to sit the 2 hour test.

#7 lozoodle

Posted 03 December 2012 - 11:06 AM

I failed the one hour test with DD1 and had to do the 2 hour test which was fine. I think where i went wrong was having it in the afternoon and grabbing some mcdonalds on the run for lunch on the way there - what an idiot LOL

With my second I just went first thing in the morning and didn't bother eating first, I just had it at 7.30am then had breakfast afterwards.  Though i'm sure if you need to eat first some toast or something isn't going to do much to your blood sugar (unlike the coke I had on the way to my first one laughing2.gif)

I'll do the same with this one.

#8 clm1982

Posted 03 December 2012 - 11:12 AM

I cant remember what i ate with my first one or what time it was but im thinking toast with a cup of tea should be fine, then maybe about 1.5 hours later get the test done, just means leaving work for a few hours to get it done.

#9 lozoodle

Posted 03 December 2012 - 11:26 AM

QUOTE (clm1982 @ 03/12/2012, 12:12 PM) <{POST_SNAPBACK}>
I cant remember what i ate with my first one or what time it was but im thinking toast with a cup of tea should be fine, then maybe about 1.5 hours later get the test done, just means leaving work for a few hours to get it done.

That's my plan, I'm just going in at 7.30 on Thursday when they open and then I'll get to work at about 9.30/10 which is late for me (normally a 7am start). My boss is cool with it though.

#10 imamumto3

Posted 03 December 2012 - 11:30 AM

don't eat ice cream and chocolate topping the night before either.  I did before I was induced and my sugars showed high, it's probably not worth risking it

#11 Princess.cranky.pants

Posted 03 December 2012 - 12:01 PM

Eat a normal breakfast and do the test in the morning. Fasting won't prevent a failed test if you have GD.

#12 BJBubbles

Posted 03 December 2012 - 03:21 PM

I failed my GCT last week, so have to do the GTT now.

I had breakfast early (like 6am!)  so then had toast and a cup of tea at 9am.  Had the drink at 10am and then the BT at 11am.

Obviously it did nothing to "help" my results.  Just hoping the GTT comes back clear....

My OB doesn't say when in the day to take it, but like others I would chose to have it done mid-morning.

Good luck
xox

#13 duck-o-lah

Posted 03 December 2012 - 07:32 PM

Lol, I'll add '2 potato cakes' to the list of things NOT to eat before the glucose test (I failed) laughing2.gif

I was advised to have a light breakfast, preferably low GI. So if you're going for toast avoid white bread with loads of honey or something laughing2.gif Good luck!

#14 monkeys mum

Posted 03 December 2012 - 10:47 PM

Eat what you would normally eat. Having undiagnosed GD is a lot worse then failing a test and having to do the two hour test, then failing that having to monitor your food and blood sugar levels, and maybe having to inject insulin.

I am going straight to the two hour test this week (13wks) in the am after fasting overnight as per the instructions. As I previously had Gd in my second pregnancy it will be the first of three two hour tests, just like my last pregnancy. I hate the tests but almost losing my nephew due to undiagnosed GD I would prefer the test then to put a newborn at risk.

#15 SeaPrincess

Posted 04 December 2012 - 09:27 AM

QUOTE (clm1982 @ 03/12/2012, 08:37 AM) <{POST_SNAPBACK}>
Im only doing the 1 hour one to start with but i remember failing it with my DD and i dont want to fail this time. Im not allowed to fast for the 1 hour test as it will give a wrong reading.

I was told the same thing, and they asked me when and what I'd had for lunch when I arrived (I think it had to be within an hour?).  We'd had a BBQ lunch at work, so I'd had meat, salad, etc.
I failed the 1-hour with DS1, but passed the 2-hr.  In subsequent pregnancies, I skipped the 1-hr because I didn't want to have to organise babysitting twice.  I had GD with DS2, but not with DD.




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