The current cryopreservation technique used in all modern workplaces is vitrification. During this process, the embryos are rapidly cooled to a final temperature of -196 °C in a few seconds, at which the cells are then stored.
These embryos can be used after a failed transfer or if you are considering siblings in a few years.
We were among the first in the Czech Republic to introduce an open vitrification system in 2020. Thanks to this technique, the thawing success rate after vitrification is significantly higher and we can benefit from all the advantages of cryoembryo transfer (CET).
Most frequently asked questions
Are thawed embryos really just as good as fresh ones? Don’t we have to worry about them being damaged somehow?
Unlike the slow freezing method previously used, vitrification does not produce any ice crystals that could damage the cells. In addition, the cells are stored in special media that protect them from external factors. Even after thawing, the embryos are in excellent condition.