What percentage of embryos make it to day 5 blastocyst?

By Rebeca Reus BSc, MSc.
Last Update: 09/13/2018

It is estimated that only 20-50% of day two embryos can continue developing in vitro to day 5, irrespective of how perfect the in vitro culture system is.

Suggested for you: What Is IVF Blastocyst Culture? – Success Rates & Timeline y Day 5 vs. Day 3 Embryo Transfer – What Are the Pros & Cons?.

BSc, MSc
Embryologist
Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).
Embryologist. Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).
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