I need answers

ashley

I’ve took several pregnancy tests all come back negative. Been trying for almost a year now, been feeling sick to my stomach lately so I went to the er to get a blood test done bc I am 5days late on my period my last period was December 7th . Idk if I’m pregnant or not the doctor came in an said it came back negative there was -1 hcg is there any chance I’m just super early I’ve never been late always had regular periods what’s wrong with me?????