IVF Related Procedures Cryopreservation

IVF Related Procedures

Cryopreservation

1- Cryopreservation or embryo Freezing:-

In this method, the excess embryos derived from an IVF cycle, will be preserved at sub-zero temperatures at an embryo stage ranging from fertilized oocytes to blastocyst stage using special techniques These embryos are used for future embryo transfer, without the need for ovarian stimulation or pickup procedure again. Those frozen embryos can be stored for many years and can still result in healthy children.
The success rate of this method depends on the stage of the embryo, and the highest success rate (80%) is reached when the embryo is frozen at the Pronuclear stage and the Blastocyst stage. There is no difference in the pregnancy rate and no increase in chances of having abnormal child when comparing between using frozen embryos or fresh embryos.
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