Embryo cryopreservation is the freezing and long-term storage of fertilized eggs (embryos) for future use, typically to preserve fertility before cancer treatment or other gonadotoxic therapies.
Overview
- Purpose: Protect fertility in women who are about to undergo:
- Chemotherapy (especially alkylating agents)
- Pelvic or total body radiotherapy
- Surgery that may impair ovarian function
- Most established and successful fertility preservation method with the highest pregnancy rates compared to other options.

