Fertilization: Genetic testing opens debate on bioethics

Fertilization: Genetic testing opens debate on bioethics

While some experts believe tests may harm the embryo, others argue for a technique to increase pregnancy rate.

Some experts believe genetic testing can harm embryosSandy Huffaker / Getty ImagesOne of the mechanisms for reducing multiple pregnancy rates, genetic testing on embryos is not a consensus.From a technical standpoint, they are considered invasive.This is because, to be analyzed, the embryo has to undergo a laser-cut biopsy."Imagine an embryo with just over two hundred cells. Taking four to eight cells, whether you like it or not, attacks," says Hitomi Nakagawa, president of the Brazilian Society for Assisted Reproduction.The test, he says, is contraindicated for young women, who have less risk of genetic abnormalities.Márcia Riboldi, director of Igenomix Brasil, one of the companies that makes the diagnoses, defends the method."We have an accuracy of 99%," he says."With that, the pregnancy rates were increasing."According to her, the next step is to develop techniques to analyze only the waste left by the embryo - without touching it.Read more: Learn how to make free IVF ...


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