The birth of the first baby born using a technique called mitochondrial replacement, which uses DNA from three people to “correct” an inherited genetic mutation, was announced on Sept. 27.
Mitochondrial replacement or donation allows women who carry mitochondrial diseases to avoid passing them on to their child. These diseases can range from mild to life-threatening. No therapies exist and only a few drugs are available to treat them.
There are no international rules regulating this technique. Just one country, the United Kingdom, explicitly regulates the procedure. It’s a similar situation with other assisted reproductive techniques. Some countries permit these techniques and others don’t.
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