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This is an advanced technique, often done in addition to IVF or ICSI treatment, that involves thinning the outer wall of the embryo (zona pellucida) to improve the chances of implantation. This treatment is recommended in such cases when the thick outer shell of the egg is thought to be impeding the implantation process.
Assisted hatching is generally performed on the third day of embryo development. The embryologists use a laser to create a very small hole in the zona pellucida. Assisted hatching can also be done on previously frozen and thawed embryos.
