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Nursing Desk - 24447845

Embryo Freezing

Freezing of excess good quality embryos after IVF allows for the transfer of fewer embryos in the stimulated IVF cycle and, therefore, ensures fewer high-order (triplets or more) multiple births. This process provides patients with a "back-up" should the initial fresh embryo transfer not result in a pregnancy, at a much lower cost than starting IVF all over again and often with minimal medications. Frozen embryo transfers have allowed many of our patients to achieve more than one pregnancy from a single cycle of ovarian stimulation. Embryos can be frozen at any stage of development during the IVF process.

These embryos can be cryopreserved by freezing them in liquid nitrogen. Through a series of carefully orchestrated steps, the embryos are ultimately frozen at a temperature of –196 C, leaving them in a state of suspended animation in which they can remain for many years. Embryos that have been stored for more than 10 years have successfully generated pregnancies