Vitrification of embryos is a highly successful method, which guarantees survival of embryos up to almost 100%! Vitrification has become an integral part of the in vitro fertilization (IVF) practices since 2005 and has contributed significantly to the increased success rates after IVF. Up to date, the vast majority of our published data involves vitrification of day 3 (5-8 cells) or day 5 embryos (blastocysts). There are very few data on the survival and implantation rates of embryos vitrified on day 4 of their development (morula).
Our unit has implemented vitrification of day 4 embryos since many years and is presenting the data at the annual meeting of the European Society of Human Reproduction (ESHRE) in Vienna. According to the study vitrification of day 4 embryos is equally effective and when combined with day 5 embryo transfer the pregnancy rates are significantly increased.
The poster presented by Mrs. Alexia Chatziparasidou M.Sc., Sr. Clinical Embryologist, Embryolab Lab Director, Embryolab & Academy Co-Founder, at the 35th annual conference of ESHRE
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