Nausea!!!

Julia • Hey ladies my name is Julia and my boyfriends name is Jesse. We already have a son and his name is Skyler and he is 19 months. This will be baby number two for us and our due date is July 1st.
Can someone give me tips on nausea that's comes and goes?? I've tried gravel ginger and drinking water fresh air I'm trying grape fruit I work nights on a fast food place so I need some gig that I can eat or take before work any help would be appreciated