Cryopreservation
Vitrification cools eggs and embryos so quickly that damaging ice crystals cannot form. It has largely replaced slow freezing and gives high survival rates on warming, which is why frozen embryo transfer now performs as well as fresh transfer in most situations.
Also known as: flash freezing, vitrified, embryo freezing
Related Australia guides
Sources
- European Society of Human Reproduction and Embryology (eshre.eu)
- Royal Australian and New Zealand College of Obstetricians and Gynaecologists (ranzcog.edu.au)
Last reviewed: 10 September 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.