Assisted Hatching

Assisted Hatching is a technique used in many IVF labs to assist the developing embryo(s) implant into the uterus. Assisted hatching is also utilized in order to allow the embryologist to perform a biopsy procedure required for PGD/CGH testing. The process is completed by utilizing a laser to cut a small whole through the zona pellucida (ZP) of each embryo. This typically done around day three of development. Once a whole is cut through the ZP, the embryologist is able to complete an embryo biopsy, if needed, or the embryo is allowed to continue to grow and escape from the ZP when the timing calls for it. The image to the right shows an embryo (left) that has hatched from the ZP (right) following the process of assisted hatching.



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