Assisted Hatching Fertility Treatment | HART Fertility Clinic

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This method is believed to be particularly helpful for couples with a poor prognosis whose embryos are thought to lack sufficient energy to complete the hatching process

IVF using assisted hatching for embryos

After an egg is fertilised in the laboratory, the cells begin to divide. During these initial development stages, the embryo is contained in a layer of proteins (the zona pellucida). In order to successfully implant into the uterine lining, an embryo must hatch out of this layer and attach to the uterus wall.

Assisted hatching is a laboratory technique developed when fertility experts observed that embryos contained in a thin zona pellucida showed a higher rate of implantation during IVF. With this method, on the third or fifth day of embryo development the embryologist uses micromanipulation under a microscope to create a small hole in the protein layer to assist the process.


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HART Fertility Clinic Suite 1102, 11th Floor,
Netcare Christiaan Barnard Hospital,
D.F. Malan Street,
Cape Town, 8000

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