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Blastocyst freezing
How successful is blastocyst freezing, can the success rate drop when thawed?
Our Expert's Answer
This information was published 13 years, 7 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.