Embryo Freezing
Preserve your good quality embryos
in preparation for any subsequent treatment
Why consider embryo freezing for fertility preservation?
If you are undertaking an IVF cycle, you will be advised of the availability of any excess good quality embryos that can be frozen in preparation for any subsequent treatment. Alternatively, if you are likely to be undergoing medical treatment for cancer or other illness which may affect your fertility in the future, you may choose to create embryos now with your partner, to preserve your fertility ready for use in a future treatment cycle. Our councellors are always available to discuss the legal implications of consent withdrawal once embryos are frozen and hence may advise patients undergoing fertility preservation for medical reasons to consider freezing part of their gametes as this gives them the sole right of their use in the future.
How does it work?
Cryopreservation of embryos involves removing any water within the cells of the embryo followed by rapidly cooling the embryos to –196ºC and storing them in liquid nitrogen. All cryopreservation at IVF London is performed using vitrification, which has been found to produce higher survival and live birth rates when compared to the alternative methods of freezing (known as ͚slow-freezing͛). Embryo survival can only be assessed upon thawing of the embryo. Not all embryos survive the freezing and thawing process, but on average, over 95% of blastocysts will survive.
The HFEA allows embryos to be stored for up to ten years initially. This period can be extended in certain circumstances for up to 55 years, in 10 year increments. When you choose to use your frozen embryos, IVF London will prepare for a frozen embryo transfer (FET).
Risks and side effects
If you have requested that excess embryos are frozen as a result of an IVF cycle, there are no risks to you as a patient, other than those explained in our IVF treatment page.[/TS-VCSC-Icon-Box-Tiny]
FAQ
Q: What is embryo freezing?
A: Embryo freezing is a process where embryos created during IVF are cryopreserved for future use. This allows excess good-quality embryos to be stored until you are ready for a Frozen Embryo Transfer (FET).
Q: Who should consider embryo freezing in the UK?
A: Embryo freezing UK is suitable for patients undergoing IVF with excess embryos, or for fertility preservation before medical treatments such as cancer therapy, which may impact future fertility.
Q: How long can frozen embryos be stored?
A: Embryo freezing in the UK follows HFEA regulations, allowing storage for up to 10 years initially. Extensions are possible in 10-year increments up to a total of 55 years under certain circumstances.
Q: Are there any risks with embryo freezing?
A: Freezing embryos carries minimal risk to the patient. The main consideration is that not all embryos may survive the thawing process, though vitrification provides high survival rates.
Treatments
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Why Choose Us?
Here are some facts about your fertility journey with us that we’d like to share with you:
