early labor signs?

MaKenzie
For the past few days I've feelt on and off so sicknon my stomach light headed and having horrible headaches also on and off all day get horrible pain and pressure in my lower belly and back sometimes so bad I'm almost in tears and the ultra sound tech says I could be anywhere from 33 weeks and 3 days to 35 weeks and 3 days and my doctor predicts 35 weeks 3 days and they predict I could early cause she's getting to have no room in there and I'm on the smaller side and my baby grace is getting pretty big so could this be early labor signs?!?!?!?! Help!!!!!!!!!!