Heavy bleeding :(

I had my BFP on the 5th then on the 7th I had a little bit of brown blood when wiping.  Then yesterday it turned bright red and is so heavy I went through 6 pads.  Cramping last night was horrible and this morning I noticed some blood clots as well.  My doctor scheduled a beta test for this morning, but I can't help but feel that it's already too late.  Hubby says to just relax and see wheat happens, but I feel like I already know :(  super upset but trying not to show it because I still have to go to work.  Sorry guys just had to get it out.