Usually the argument goes into the ethics of bearing children in a way that, knowingly, creates a significantly and markedly higher risk for every kind of disorder reducing the child’s QOL. I don’t usually find this argument anywhere near airtight, since there’s a plethora of other ways to do that that aren’t banned AND this veers into eugenics territory. But that’s the argument I’ve seen, at least.
Usually the argument goes into the ethics of bearing children in a way that, knowingly, creates a significantly and markedly higher risk for every kind of disorder reducing the child’s QOL. I don’t usually find this argument anywhere near airtight, since there’s a plethora of other ways to do that that aren’t banned AND this veers into eugenics territory. But that’s the argument I’ve seen, at least.