Results of assisted hatching can be very different depending on each assisted reproduction centre, since it is a very complex technique.

Assisted hatching consists of performing a hole on the embryo’s hard coat, the zona pellucida. The hole is performed with a laser and it requires a very high level of specialisation in order not to damage the embryo. The technique is being gradually improved and the use of the laser is the same as that used for an embryo biopsy in a pre-implantation genetic diagnosis.

Generally, assisted hatching is considered to increase the chances for embryo implantation in patients who are indicated to undergo this technique.

Results of assisted hatching

Those embryos which are subjected to assisted hatching and do not belong to any of the groups where assisted hatching is indicated, won’t see their implantation rate increased. For this reason, in principle, assisted hatching is not appropriated in these cases.

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