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Can you freeze class C embryos?

By Zaira Salvador.
Last Update: 09/18/2018

Absolutely yes. However, class C embryos present lower implantation rates than class A and B embryos, as their development was inadequate, or they present certain characteristics that may compromise their viability to some extent.

Since the quality of these embryos is poor, in most cases they are cultured for a few days in order to monitor their development. If they grow adequately, they could be cryopreserved. However, if their development stopped, they would be discarded and qualified as unviable.

Suggested for you: What Is Embryo Vitrification? – Advantages over Slow Freezing.

 Zaira Salvador
Zaira Salvador
BSc, MSc
Embryologist
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)
License: 3185-CV
Embryologist. Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI) License: 3185-CV.
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