It depends on each patient. According to the ASRM and SART guidelines, those with a favorable prognosis should opt for 1 embryo transfer, regardless of embryo stage. From ages 38-40, they recommend 2 blastocyst embryo transfers (day 5), and from age 41, 3 blastocysts (day 5) as well.
Read the full article on: Day 5 vs. Day 3 Embryo Transfer – What Are the Pros & Cons? ( 69).
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Zaira Salvador
B.Sc., M.Sc.
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