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Breakthrough for IVF egg-screening technique

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A baby boy has become the first to be born as a result of a new IVF egg-screening technique, it has been announced.

The child’s mother went through 13 failed IVF attempts before giving birth to him. The egg that produced the child was picked using array Comparative Genomic Hybridisation (CGH) by Nottingham’s CARE Fertility Group.

The technique involves picking chromosomally-normal eggs with the best chance of producing a pregnancy.

Experts think this could greatly improve chances of having successful fertility treatment. Abnormalities in chromosomes can cause embryos to fail, despite appearing healthy through a microscope.

The difference between array CGH and conventional CGH is that eggs do not have to be frozen first and results come back in one or two days compared with five or more in conventional CHG.

Professor Simon Fishel, managing director of CARE Fertility Group, said: “Full chromosome analysis may double the chance of success in couples who have a poor chance of conceiving or a history of failed treatments and miscarriage; and maximise the chance of pregnancy in all couples.”

Since the technique checks all chromosomes in an egg, it can potentially raise success rates from IVF and reduce the occurrence of miscarriages and birth defects. Array CGH is currently only available at CARE Fertility.

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