Failed two transfers

Hello, my question is is there anything that the IVF clinic can do differently? I am a surrogate. I’ve had two healthy pregnancies of my own no issues no fibroids polyps or scar tissue had all the HST, saline sonogram done. lining is great every time, however embryo transfers keep failing they have done the testing on the embryo and it came back as a five day. I did acupuncture pre-andpos