I'm so sorry you're back here. I am pretty much in the same boat -- successful fresh IVF cycle in November, m/c in December, 5 frosties, waiting for a FET. My RE wants me to wait until my 2nd period after D&E, so I think I'll actually be a March cycler.
So glad to hear your testing came out fine and your HCG is finally coming down. Good luck going forward!
Siggies are messed up. I had a pregnancy ticker and had a really hard time getting rid of it after my loss. People suggested logging out of and back into my account, deleting my cookies/browser history, and restarting my computer -- nothing worked. And then one day it just changed. So I'm sorry I can't offer much advice on that, but I agree that it's very frustrating!