8 days late negative test whats going on?

With all of my pregnancies it took forever to get a positive test back and I had threatened miscarriages with the first two. My doctor (new one for the third baby) figured out that my hormone levels were wacked and that's why i was bleeding. She gave me suppositories of progesterone and I had no problems after that. Best wishes to you - I know waiting and trying to figure it out stinks.