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The IVF Fertility Blog

Does Freezing Your Eggs Always Work

Making the decision to freeze eggs can help preserve your ability to start a family when you are ready. In decades past, women often started families in their late teens and early twenties.  Changes in societal norms have greatly affected this, with women delaying starting families until they are ready and have achieved their professional and personal goals.  Unfortunately, many women find that when they are ready to start a family they have difficulty due to her age and the quality of their eggs.  Choosing to freeze eggs now can help to start your family.

Does Freezing Eggs Always Work?

Egg freezing is very successful at harvesting and preserving eggs.  This is particularly true when the state of the art method of vitrification is used.  Standard egg freezing protocols use a slow dunk process that gradually cools eggs to their storage temperature.  This process can result of the formation of ice crystals which are detrimental to the eggs.  With traditional freezing methods, the survival rate for the freezing and thawing process is 55 percent.


Vitrification is a two-step process.  First, water is removed from the eggs and a cryoprotectant is added.  This helps to protect the eggs and does not have any adverse effects to the eggs.  Next, the eggs are flash frozen, instantaneously reducing the temperature to their storage temperature.  These two steps virtually eliminate the chance of an egg being damaged by ice crystals. When the eggs are thawed, the cryoprotectant is removed and the water is added back in.  When vitrification is used, the survival rate for the freezing and thawing process is 98 percent.

New Hope Fertility Center provides state of the art fertility treatment in their NYC office.  By customizing their approach to the unique needs of each patient, New Hope is able to have high success rates. New Hope was among the first fertility centers to use vitrification in the United States.

Schedule an appointment today to discuss how the decision to freeze eggs now can help you have children in the future. Please click the link below to enter your information and New Hope will contact you, or simply call 212-517-7676. Thank You.

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