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Embryo Freezing

Embryo freezing, also known as embryo cryopreservation, is a valuable tool in the field of assisted reproductive technology. It involves the preservation of embryos by cooling them to very low temperatures.

At the Sago Team fertility clinic, we offer a range of fertility services including embryo freezing.

Sago IVF has a team of experienced embryologists with advanced skills. They use the latest cryopreservation technique known as vitrification to preserve and store your embryos for future.


There are several reasons why someone might consider freezing their embryos, including:

  1. Fertility preservation: For individuals who are undergoing medical treatments that may affect their fertility, such as chemotherapy or radiation therapy, this can be a way to preserve their ability to have biological children in the future. By freezing their embryos before the treatment, they can have the option of using them later to try for a pregnancy.
  2. Timing of pregnancy: Some couples may choose to freeze their embryos because they are not ready to start a family yet. However they may also want to preserve their chances of having a biological child in the future. Through embryo cryopreservation, they can delay pregnancy until they feel more prepared.
  3. Failed IVF cycles: In some cases, couples may undergo multiple IVF cycles without success. By freezing embryos from the cycles, they can increase their chances of success in future attempts. They can be thawed and transferred later in subsequent cycles.
  4. Surplus embryos: During an IVF cycle, multiple embryos may be created, but only one or two are typically transferred to the woman’s uterus for implantation. If there are good-quality embryos left over, they can be frozen and stored for future use.


The traditional method of embryo freezing is slow freezing. Embryos are cooled slowly over several hours and then placed in liquid nitrogen for long-term storage.

While this method has been used successfully for many years, it has some limitations. This includes a lower survival rate of the embryos after thawing. Furthermore, an increased risk of damage to the embryos during the freezing and thawing process.

At Sago IVF Team, we use the latest vitrification method for embryo cryopreservation, widely accepted as the better successful process.

During vitrification, the embryos are rapidly cooled using a highly concentrated cryoprotectant solution and then plunged into liquid nitrogen for storage. This rapid cooling process prevents ice crystal formation, which can in fact damage the embryos during freezing.

Sago IVF Team uses the vitrification process for embryo cyropreservation, as it offers better survival rates and better chances of achieving pregnancy.


The success rates of frozen embryo thawing and survival can vary depending on several factors. These include the quality of the embryos, the method of freezing used, and the experience of the embryologist performing the procedure.

At our clinic, we have experienced embryologists who specialise in embryo cryopreservation as well as the facilities to store frozen embryos safely and securely.

In general, the survival rate of frozen embryos after thawing is high, over 90%. The actual success rates of a thawed embryo transfer depend on several other factors. These involve the age of the woman at the time of transfer, the reason for infertility, and the quality of the embryos.

At Sago Team we work with our patients to ensure that they have the best chance of success when it comes to frozen embryo transfers. Our experts will work with you to determine the best course of action based on your individual circumstances.

We advise patients to obtain adequate advice and legal opinion before deciding to freeze embryos.

If you have any queries regarding embryo cryopreservation with Sago Team in North Cyprus, directly contact our Patient Coordinators or fertility specialists. They are available 7 days a week to offer answers and guidance.

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