Should I go to the ER or just wait till my appt tomorrow.?

I've been in bed all day..I've been having Broxton Hicks all day with period cramps nd w alot i mean ALOT of discharge.in top of it all I feel very anxious, weak, my eyes feel heavy and when I checked my sugar w out eating it was 141. I have a doctors appt tomorrow to do the 3hour sugar test. It doesn't bother me waiting but I just don't want to be harming my baby.plz help! What should I do??