ok i have a question. . every time I eat I feel like I'm going to throw up but I dont. I keep…

ok i have a question. . every time I eat I feel like I'm going to throw up but I dont. I keep dreaming I'm pregnant. I took a few test 2 neg one pos. do you think I'm pregnant? is it too early to take a blood test my next due period is on Jan 10th.