do you have to fast before 1hr glucose test?

CantWait2Be · March 2011

I can't remember what my instructions were. I think it was just to drink the stuff then get blood drawn in an hour and don't eat or drink between the glucose liquid and getting blood drawn. I'm trying to time this so I can do it when I"m already going to the doc next week which is super close to the lab.

ElatedMom2B · March 2011

I guess it depends on your doctor/lab. I just saw a post on the 2nd tri board where someone was very surprised that her blood sugar result came back so low - but she admitted that she had eaten breakfast lunch and snacks prior to doing the test. My doctor has always had me fast 8-12 hours. I would say to double check with your office.

mharison · March 2011

When I called to check, my midwife's office told me that I didn't have to, just to be sure that I didn't have 3 donuts for breakfast that day:)

bt3701 · March 2011

Like you said, I was to eat normally during the day, but once I started the drink I couldn't have anything until the blood draw an hour later, not even water.

There have been a lot of questions about this, and it seems like it really varies by doctor. Your best bet is to call and ask.

gymnst1013 · March 2011

It depends on your doctor's instructions. I didn't have to do any prep for it. My only restriction was nothing by mouth between the drink and the blood draw.

ETA - I had a granola bar for breakfast and my test about 2-3 hours later. I passed

MrsEmilyS · March 2011

No. I was told to eat protein before the visit and not to eat sugary things.

11kacey · March 2011

I just had my 24 week appointment yesterday and asked. My doctor's office has you eat normally, but like PP said, once you start the drink, no food until after the blood draw. My nurse and doctor both approved my breakfast of one scrambled egg with cheese and a piece of whole wheat toast. NO sugar or fruit they said.. BUT I have a really high sensitivity to sugar, even in fruit. I either process the sugar REALLY well and my blood sugar drops so high I get sick to my stomach OR I have GD. Guess we'll find out next month.

I would call your doctor's office and ask since EVERY one on this board seems to get different instructions.

slensic · March 2011

I was told to not eat anything with sugar. I had a plain yogurt and plain tea and went in first thing in the morning. I passed. I would call your Dr. since it sounds like different Dr's have varying requirements.

Sunidaze · March 2011

my instructions this time around are to fast for at least 8 hours.

amanda1680 · March 2011

I was told I didn't need to fast or do anything special before the test. However, I plan to avoid sugary stuff and eat lots of protein for breakfast and lunch.

aniceucchik · March 2011

My office says I can eat, but nothing really sugary...just schedule it for the first thing in the morning...

RobinSparkles81 · March 2011

mine was at 7am...I was instructed to fast for the 12 hours prior...and of course during the 1 hr wait. I didn't pass.

today I had the 3 hours test and was also told to fast for 12 hours

SarahAndBen09 · March 2011

11kacey:
I just had my 24 week appointment yesterday and asked. My doctor's office has you eat normally, but like PP said, once you start the drink, no food until after the blood draw. My nurse and doctor both approved my breakfast of one scrambled egg with cheese and a piece of whole wheat toast. NO sugar or fruit they said.. BUT I have a really high sensitivity to sugar, even in fruit. I either process the sugar REALLY well and my blood sugar drops so high I get sick to my stomach OR I have GD. Guess we'll find out next month.
I would call your doctor's office and ask since EVERY one on this board seems to get different instructions.

Yes

ensorensen · March 2011

I have my glucose test in a few weeks. My doctor instructed me to eat protein with my breakfast before my test. And then said that I could drink water afterwards.

Telly21182 · March 2011

My doctor told me to go first thing in the morning and to wait and have breakfast afterwards but he didn't specifically say to fast. When I went in this AM they did ask me if I'd eaten so I guess that means that particular lab prefers that you fast for a little before hand.

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