Embryo freezing - cryopreservation of embryos for use in IVF


IVf treatment involves fertilization of healthy eggs outside of the womb. Collected sperm is used to fertilize eggs, normally using the fertilization method of ICSI, and the resulting embryos are implanted in to the uterus. Extra embryos can be created during the fertilization process. These embryos can be frozen and stored for use in future IVF treatment cycles.

How are embryos frozen?

Embryos are frozen using cryopreservation. Embryos are stored individually in vials. Liquid nitrogen is used to freeze teh embryos at a temperature of -196.

Using frozen embryos

Frozen embryos can be used in any future IVF procedure or can be used for surrogacy purposes. Cryopreserved embryos are thawed gradually to ensure that the external temperature and age of the embryo are compatible with the uterus lining for embryo implantation. Frozen embryos can be used with frozen sperm in IVF with ICSI treatment. Frozen embryos can be donated to help other infertile couples conceive. 

 










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