and it is really difficult to not scrutinize every single thing during the 2ww. A little bleeding or spotting can mean something or nothing so try to hang in there as best you can while you wait it out until the beta. I have been PG two times both ended in mc & chem. but of all the IVF's I've been through ( most BFN's) there was only one where I had a bit of pink spotting around 5/6 DP3DT and it was a PG, sadly the little bean did not hang on but I defer that to my over 40 eggs.
Sending you good thoughts to get through the dreaded, crazymaking, 2 worrisome weeks.
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