Embryo Freezing / Cryopreservation
Embryo freezing, also known as embryo cryopreservation, is an advanced fertility preservation technique in which embryos created through IVF or ICSI are carefully frozen and stored for future use. It can be an important option for individuals and couples who want to preserve their reproductive options or plan a pregnancy at a later stage.
What Is Embryo Cryopreservation?
During an IVF cycle, eggs are collected and fertilized with sperm to create embryos. Suitable embryos can be preserved using a rapid-freezing technique called vitrification, which helps protect the embryo during freezing and storage. When pregnancy is planned, a selected embryo is carefully thawed and transferred into the uterus as part of a frozen embryo transfer cycle.
Who May Benefit?
Embryo freezing may be considered by couples undergoing IVF who have additional suitable embryos after an embryo transfer. It may also be useful when pregnancy needs to be postponed, before certain medical treatments that may affect fertility, or when a future frozen embryo transfer is planned.
What to Expect
Your fertility specialist will assess embryo development and determine which embryos are suitable for cryopreservation. Frozen embryos are stored under carefully controlled laboratory conditions. When you are ready for treatment, the embryo is thawed and assessed before transfer.
The suitability of embryo freezing and the chances of pregnancy vary based on factors such as age, embryo quality, reproductive history, and individual health. A fertility specialist can explain the process, potential benefits, limitations, and treatment options based on your circumstances.