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Indianapolis, IN 46280

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IVF
IVF
IVF

Embryo Vitrification

Vitrification is a cutting edge technology for cryopreservation (freezing) of embryos and eggs.

 

Patients who undergo IVF may have several eggs collected. The eggs are then fertilized with a sperm and checked for fertilization. Fertilized eggs are called embryos. A patient may have multiple high quality embryos eligible for embryo transfer back to the uterus. A certain number of embryos are chosen for embryo transfer, and the surplus of high quality embryos are able to be cryopreserved for future use.

 

Vitrification is a new process for cryopreserving embryos. Through vitrification, the water molecules in an embryo are removed and replaced with a higher concentration of cryoprotectant than in the slow freeze method. The embryos are then plunged directly into liquid nitrogen. This drastic (-12,000 degrees Celsius per minute) freezing creates a glass transition temperature, commonly called a “glass” state, and the embryos are vitrified. This quick freezing reduces the chance for intercellular ice crystals to be formed, thus decreasing the degeneration of cells upon thawing for embryo transfer. Embryos are stored in liquid nitrogen (-196 degrees Celsius). At that extremely cold temperature, cellular activity is essentially brought to a halt, allowing the embryos to remain viable for years.

 

 

 

 

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