Interested in anyone's experience using these in their regimes or protocols or other suggestions. After 2 failed IVF/ICSI cycle, we don't know what to do i.e. keep trying or give up. DH has severe MFI with only 1% normal out of 1 million. We have had 6-8 eggs at EPU in the last 2 cycles with 4-5 fertilised but none of them make it to blastocyst at day 5. Cell division is good up to day 3-4. I have only transferred very poor looking morulas with vacuoles at day 5-6 and with negative results. Rest of the embryos arrest or regress between day 3-5.