Blastocyst freezing

How successful is blastocyst freezing, can the success rate drop when thawed?

Our Expert's Answer

This information was published 8 years, 4 months ago and was correct at the time of publication. It may not reflect our current practices or regulations.

Please note that all the answers we give are on a generic basis only, as we cannot provide more in-depth answers without access to your medical history. If you need a more detailed response, tailored to you, we would recommend a consultation with one of our Fertility Specialists for more comprehensive medical advice.

Successful blastocyst freezing is now possible through a technique called ‘vitrification’.  The success rate for all frozen embryos is slightly lower than fresh transfers as some embryos will not survive the freeze-thaw process and the best embryos are selected for transfer in the fresh cycle.