January 19, 2026
Freezing Embryos: Storage Duration, Thawing & Legal Options
Embryos are frozen via vitrification at RSC with a 98% survival rate. The longest stored embryos resulted in a live birth after 19 years. Patients may discard, donate, or use embryos for research after completing legal formalities.
Key Takeaways
Vitrification Process for Embryos: Step-by-Step Freezing and Thawing Guide
Embryos are frozen at the blastocyst stage using vitrification, cooled to -196°C in liquid nitrogen. Thawing reverses the process, with embryos ready for transfer in 40 minutes after warming to body temperature.
How Long Can Embryos Be Stored? 19-Year Storage Success Case
Human embryos have been stored for up to 19 years with successful births. RSC maintains embryos for over 18 years in some cases, though long-term storage often results in patients abandoning their embryos.
Legal Options for Discarding or Donating Frozen Embryos
Patients may discard embryos after a 60-day waiting period with notarized consent. Alternatives include donating embryos for research, staff training, or adoption by another couple.
Monthly Billing for Embryo Storage: What Patients Need to Know
RSC bills monthly for embryo storage, requiring a credit card on file for automatic payments. Patients must notify RSC of address or payment method changes to avoid service interruptions.
98% Embryo Survival Rate After Vitrification: RSC Data
RSC reports a 98% embryo survival rate post-thawing. This high success rate underscores the lab’s use of controlled freezing techniques to minimize ice crystal formation during vitrification.
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