Week of spotting, why???

its.whatever • Pre health student👩🏽‍⚕️ Truth makes people mad😁

I’ve been spotting on and off for the whole week. I’ve never had this before. I had a pregnancy urine test done yesterday and it was negative. She said there were traces of something when she did the urinalysis but the dr didn’t tell me. I also had a ultra sound and when the dr pressed on my lower abdomen I started bleeding a bit more and got a couple sharp cramps but then it all went away but the spotting started again.