John Zhang, a New York fertility doctor, wanted to push the boundaries of science and fertility by giving women at risk of passing on serious genetic conditions a chance at healthy kids through an IVF technique that uses the DNA of three people. But on Friday, regulators at the US Food and Drug Administration issued a warning: Zhang, they said, would not be allowed to move forward with the procedure. At least, not if any part of it took place in the United States.
John Zhang with the first baby born through an IVF technique that uses the DNA of three people. The baby was born in April 2016. Image: New Hope Fertility Clinic
The IVF technique in question involves replacing the teeny amount of mitochondrial DNA in an embryo with DNA from a donor in order to prevent mitochondrial diseases from being passed down by a mother. It’s
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