Cryopreservation

CRYOPRESERVATION is a process where cells, tissues, are preserved by cooling to very low temperatures to −196 °C using liquid nitrogen for future use.There are 3 types of Cryopreservation in IVF spectrum:

1. Embryos freezing

2. Sperm Cryopreservation

3. Eggs

Cryopreservation Survival rate (70%) of thawed embryos depends on their quality before freezing. Most of the time, survival rates of embryos will decrease after thawing. The duration of storage in liquid nitrogen will not affect the post-thawed embryos survival rates. Cryopreservation does not cause damages to the embryos during storage phase but it occurs during the freezing and thawing phase.

“PEOPLE CRY, NOT BECAUSE THEY’RE WEAK, IT’S BECAUSE THEY’VE BEEN STRONG FOR TOO LONG.”


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EMBRYO FREEZING

You may consider freezing your embryos for the following reasons:

1. The storage of surplus embryos of good quality

2. Postponing embryo transfer in special cases like poor endometrium, or severe OHSS.

3. The preservation of reproductive potential of a woman prior to chemotherapy, radiotherapy or ovariectomy.

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