Vitrification is a procedure whereby embryo vitality is preseved without a time limit, the survival rate is close to 100%.
Tag: implantation rate
Annexin columns or MACS allow an improvement on sperm quality, since they enable the removal of pre-apoptotic spermatozoa thanks to a component on their outer membrane.
Blastocyst is the stage in which embryo implantation within the uterus occurs naturally. To reach this stage, the embryo is cultured up to day 5-6 by means of a sequential culture system.
A new study proposes the transfer of the embryos 5 days after the embryo culture, instead of 3 days after. According to this study, it may increase the pregnancy rate and, conversely, decrease the rate of multiple births.