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Embryo freezing is done for those who embryos are extra and, can opt for cryo preservation. Your chances of becoming pregnant with a thawed frozen embryo are not affected by the length of time the embryo has been stored. But not all embryos will survive freezing and eventual thawing when they come to be used. Very occasionally no embryos will survive. Occasionally the transfer is canceled due some reason then your embryos can be frozen and then used later, if you happen to be pregnancy the first time the frozen embryos can be used to conceive the second time.

IVF Process

Initial Consultation with Neelima Fertility Specialist

Diagnosis

Blood Tests

Treatment Plan

Comparison between Vitrification & Slow Freezing

Vitrification has emerged as an improved technique of cryopreservation because it has a series of benefits over the conventional slow freezing:
  • Vitrification is done at such a fast pace that intracellular ice formation is practically impossible. As a result, the eggs/embryos are not subjected to cellular trauma.
  • The post thaw survival rate offered by vitrification is phenomenally good (almost 90%) as compared to that of slow freezing (only 50%). The optimal survival rate of vitrification makes the IVF results comparable with those cycles done with fresh eggs/embryos.
  • Slow freezing is a highly time-consuming process, taking hours to be completed. On the other hand, vitrification is done in minutes.

The reliability and better success rate offered by vitrification technique has made it a preferred option for most IVF clinics today. This technique is regarded particularly useful for egg freezing as slow freezing is most likely to damage them. The success of vitrification technique has been behind egg freezing no longer being considered experimental. Today, most IVF clinics are using this revolutionary method to freeze the eggs/embryos and provide high-success rate to their IVF patients.