I did what you all said and retired to the sofa yesterday afternoon and evening, drank lots of water. Bleeding continued but never got as far as the pad, just there when I wiped. Overnight it seems to have stopped, what is there is, is brown. Unfortunately, however, the FRER this morning was only just positive. Not the kind of positive you have to squint to see, but definitely one you have to look at a few times to see if it's there. Probably about half the thickness of yesterday. Which means, that, sadly, option 3 from 2 posts ago was probably right. The beta today will be positive, but I am losing it. I feel like I'm being made to jump through all the hoops of infertility, one by one.
And it's ok, I'm not going to work today.