The problem it creates for IVF is from a practical point of view you need to create multiple embryos.
The process is you take multiple eggs from the mother, try to fertilize them all, wait 48h and pick the 1 or 2 that are growing the healthiest to implant. Possibly you also need to do generic screening if the parents have a fatal gene combination for the child.
If these fertilized embryos are people then the clinic would have to do only one egg at a time. IVF could need monthly attempts for maybe even years at a time for a successful pregnancy.
It just wouldn’t be practical anymore.
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