This whole concept is sick...take it from a former fertility patient. There is no such thing as “science” anymore but paid shills who get our money to produce the frankenstein world. Sick.
The only thing this has to do with fertility is that it mightt be done in a traditional fertility clinic.
Did you read the story? It's about mitochondrial disease that's inherited only from the mother. It's gene therapy. If fertilized human eggs are not wasted or destroyed, I don't see a problem. If it's done right, I could see the Catholic Church's OK.