Cryopreservation
Warming reverses vitrification in a carefully staged process. Most vitrified blastocysts survive intact, though a small proportion do not, which is why clinics confirm survival on the morning of a planned transfer rather than beforehand.
Also known as: thawing, thaw, embryo thaw
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.