Thanks Riss! I had d&c + dye studies done at the start of our ivf journey but that was last April. The cgh was done on day 5 but still it was a waste we didn't get any info out of it. No i have not been tested for nk cells I don't know too much about it. A few of my cycles at CFC they treated me with pred & clexane just in case to cover all bases with no luck. I also had the scratch biopsy done before transfer on 2 occasions.