Cryopreservation
procedureDefinition
The process of cooling and storing biological material (eggs, sperm, embryos) at ultra-low temperatures for future use.
In IVF Treatment
Cryopreservation allows embryos to be stored for months or years after an IVF cycle. Modern vitrification techniques have dramatically improved survival rates. Cryopreserved embryos can be used in future FET cycles.
Frequently Asked Questions
How long can embryos be frozen?
Embryos have been born from embryos frozen for more than 20 years. There is no established expiration date. Long-term storage (beyond 5-10 years) typically requires annual or periodic renewal fees.