Lol 3rd time lucky, it's weird testing out the trigger! I did that once in the BFP cycle that unfortunately ended up in a m/c but I started testing a day or two after transfer, kept getting a faint positive for a few days, and then got a BFN for a day or two (that was unsettling knowing that that unpregnant second line disappeared) but then it reappeared and that was reassuring.