I never encounter need to take blood sugar count everyday till birth.
How about you wait till what the gynae say?
Usually they will refer you to a dietican to plan your diet as well. (eat brown rice, no fruit juice, wholemeal bread)
They will ask you to eat frequently and in small amount instead of 3 large meals.
There is a small device to prick your finger then squeeze 1 drop of blood.
Drip into a stripe which you need insert into a small measuring device.
Result out in a few secs.
The device can be carry everywhere. Will not affect work at all.
The 7 times schedule should be as below
before breakfast
1hr after breakfast
before lunch
1hr after lunch
before dinner
1hr after dinner
before sleep