Initial IVF-ET experience with assisted hatching performed 3 days after retrieval followed by day 5 embryo transfer Margaret C. Graham, M.S., Kathleen M. Hoeger, M.D., William R. Phipps, M.D. Fertility and Sterility Volume 74, Issue 4, Pages 668-671 (October 2000) DOI: 10.1016/S0015-0282(00)01528-4
Figure 1 Day 5 hatching blastocyst, immediately before ET, following performance of assisted hatching on day 3. Graham. Assisted hatching after day 3 ET. Fertil Steril 2000. Fertility and Sterility 2000 74, 668-671DOI: (10.1016/S0015-0282(00)01528-4)