Assisted hatching is indicated in some particular cases. For instance, in cases of embryos with a thickened zona pellucida or with an abnormal colour of the zona pellucida.
Tag: embryo culture on day 3
Some assisted reproductive techniques, such as in vitro fertilisation (IVF) or ICSI, perform egg fertilisation outside the woman’s body. For this reason, embryo culture is necessary up to the day in which the embryo transfer is performed.
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.