Pregnancy symptoms gone

I am supposedly 7 weeks today but I'm pretty sure it's over. I spotted light brown mucus for four days and it stopped, but now, the limited pregnancy symptoms I did have (sore breasts, exhaustion, increased appetite---but never nausea or increased urination, which maybe was a sign to begin with), are gone. I have been googling like crazy, which has ended up making ME crazy, but I'm pretty sure it must have been a missed miscarriage. They say that only happens in 1% of pregnancies but from all the horror stories I've read, it sure seems more common than that!! It just seems that all signs are pointing to that, which is pretty awful considering I had never even heard of such a thing before and had convinced myself I was okay because I wasn't bleeding. I have my first appointment tomorrow--do I still go or will they think I'm stupid for not realizing something was wrong probably a week ago?