Warming

Warming is the specific process used for vitrified eggs and embryos, rapidly raising the temperature and removing the cryoprotectants. It is done on the morning of, or the day before, transfer, and the laboratory checks that the embryo has survived and re-expanded before it is transferred.

Also known as: warmed embryo, embryo survival

Last reviewed: 8 September 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.