@Heyside - congrats on all those blasties! Plenty in the freezer for you. Why does wazza recommend to BD post transfer?
@MamaKes - good luck with the TWW. Is it an IUI you were doing? I did one last year which didn't work but now knowing what I know that was likely to do with my poor quality old eggs rather than anything else. My FS thought it was worth a try and suggested a second one it I pulled the plug as I wanted to move on to IVF given my age.