- Sperm was first cryopreserved in the 1950’s. Since then, millions of animals have been born through the use of cryopreserved (frozen) sperm. The use of cryopreserved human sperm has been in widespread use since the 1980’s.
- Embryo cryopreservation was first used in various farm animals in the 1970’s and is a very common procedure today in human infertility treatment.
- Egg cryopreservation is still relatively new (past 10 years).



