Things to know about Egg Freezing and Vitrification
Cryopreservation is a process of freezing cells or tissue that has been around for decades. The eggs have a high water content, which made slow-freezing techniques less efficient as ice crystals used to form, and when the eggs are thawed, those ice crystals can fracture and damage the egg.
To solve this problem vitrification has grown in popularity and is offered in various Eggs Freezing Clinics in India. It is very much superior to traditional egg freezing. Vitrification is an ultra-rapid process doesn’t allow the formation of the ice crystals. It also involves the use of new cryoprotectants, that protect tissue from freezing damage.
With vitrification, an egg is placed in a bath with a cryoprotectant as well as sucrose. That sugar helps to draw some of the water out of the egg. The egg is then placed in a high-concentration cryoprotectant for about a minute. Then, it is placed in liquid nitrogen at temperatures of -196°C, that helps in the instant freezing of the egg that turn to a glass like substance.
This vitrification process done at the Egg Freezing Center helps to reduce the damages to egg that further improved success rates in the process. The eggs freezing in India are also following the same process to get the best results.
The experts also indicated that the eggs can now be kept frozen for a long time with no degradation in quality with this process. All you need to take medications for about a week to prepare the uterine lining for pregnancy, then the vitrification process is reversed to allow warming and for rehydration, when you are ready to use your eggs. The procedure warms the eggs, which are then placed back in an incubator in the lab, where they can be injected with a sperm three to four hours later. The embryos are allowed 3-5 days to develop before a uterine transfer occurs.
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