Outcomes of blastocysts biopsied and vitrified once versus those cryopreserved twice for euploid blastocyst transfer

Tyl Taylor (Griffin lab) established that human embryos can be frozen and

thawed twice, if necessary, without incurring gross genetic (chromosomal)

defects.

 

Taylor, T.H., Patrick, J.L., Gitlin, S., Wilson, J.M., Crain, J.L. & Griffin, D.K. (2014) http://www.sciencedirect.com/science/article/pii/S147264831400131X.  Reproductive BioMedicine Online, 29, 59-64.