Not eating much

Adrianna • Im 25 I have two beautiful children and im a stay at home mom
I will be 32 weeks Thursday and I still dont eat a whole lot I lost 2 lbs again when I went to the doctor almost 3 weeks ago. I can eat little at time and feel okay but if try a meal or even a sandwich this morning I get nauseous I throw up still sometime s but not every time is anyone else dealing with this