Worried about first ivf scan

Hi, was just wondering if there are any ladies out there waiting for there first ivf scan or who have been through this already. I’m a nervous wreck after reading so much about blighted ovum’s. my scan is on the 7/1/19

first cycle failed 2x 3 day embryo transfer - August 2018 BFN

second cycle BFP hcg 240 5 day blastocyst transfer