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: indications for assisted hatching
Assisted hatching is a technique used to make it easier for the embryo to break through its protein-rich coat, the zona pellucida (ZP). The aim is to enable implantation and, therefore, increase the chances for pregnancy in some particular cases.
The gonadotropin-releasing hormone antagonists present only few disadvantages, since they were created precisely in order to address the inconveniences of GnRH agonists, but maintaining their advantages.
Assessment of embryo quality is determined by checking their development once a day from the moment of fertilisation to the day in which embryo transfer is performed –on day 3 or day 5, depending on the case.