CGH: Comparative Genomic Hybridization

CGH: Comparative Genomic Hybridization

CGH (Comparative Genomic Hybridization) is a new egg-screening technique which can greatly help out moms who have fertility problems!

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Experts believe that CGH: Comparative Genomic Hybridisation could significantly improve a couples’ chance of having successful fertility treatment.

How does Comparative Genomic Hybridization (CGH) work?

CGH works by cutting a hole in the edge of the ovum using a laser. The polar body, or cell that’s formed during fertilization, is then sucked out of the ovum.

The chromosomes found in the polar body should be a mirror image of those left in the ovum. By analyzing the polar body, scientists can determine what is left behind in the ovum, without disturbing it.

By using this screening test doctors can examine whether the polar body they find has any abnormalities. If, for example, doctors can see that there is a chromosome missing from the ovum, they would be able to tell that any subsequent embryo would fail.

So, despite it previously looking healthy under the microscope, by using this test, doctors are now able to see abnormalities that they would not have previously been able to.

Experts believe the technique could significantly improve a couples’ chance of having successful fertility treatment.

Why is it important?

CGH can greatly help moms and dads who are struggling with having a child. This form of embryo testing makes it easier for doctors to find viable embryos.

While this technology is still not as widespread, we’re hoping that someday it becomes a regular part of fertility treatments here in the country!

Let us know your thoughts on Comparative Genomic Hybridization (CGH) in the comments below!

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