Blastocyst freezing

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

Our Expert's Answer

This information was published 12 years, 11 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.