Embryo Freezing And Storage

Embryo Freezing And Storage

Often after a cycle of IVF or ICSI, there are a number of successfully fertilized embryos that we can freeze and store for your future use. Whether your cycle was successful or unsuccessful, frozen embryo transfer gives you another chance of pregnancy from the initial egg collection with a much reduced cost and without having to go through an egg collection again.
There are two methods of embryo freezing: slow freezing and vitrification. Slow freezing has been used for many years with good results, but vitrification is a newer method showing much higher success rates – often as high as fresh transfers.
The embryologist will decide if any of your embryos are suitable for freezing. They do need to be of good quality as poor quality embryos do not survive the freezing/warming process.

Embryos can be frozen at various stages between the cleavage stage (day 2, at about 4 cells) to the blastocyst stage (day 5 or 6). Embryos can be stored frozen for up to ten years.
To freeze embryos, you must give written consent for dr.Invitro to store your embryos and for their future use. You must keep in regular contact with dr.Invitro so that we know if you have moved house or if any of your circumstances have changed. Once the statutory period is up, we do not need your consent to remove the embryos from storage.
We hope that you are successful from your frozen embryo cycle and hope that you may achieve more than one pregnancy from one full cycle of IVF/ICSI.

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