ahh help any thoughts

Ok so my last 2 cycles have been abnormal like just spitting and for only a day or 2 mine r usually very heavy min of 4 days it's not due to birth control because I haven't been on any 2 neg blood test ell if I am which maybe I'm just hoping that I am I'd be 8 weeks 5 days  I have ultrasound scheduled the 9th and I'm bloated and morning sickness I'm not crazy I gave birth 5 yrs ago I just feel pregnant is it possible to still get neg last time I got test blood was at 7 weeks praying I see something on that screen plz no rude comments friendly advice is what I'm looking for also other thing it could be