I've lately been looking into this, and I wonder what people here think. Seems like a low hanging fruit for successful altruistic people (possibly with other traits as well, such as being healthy). Both for the direct impact of creating a... better child than (than the counterfactual one), and also for the indirect impact of normalizing the practice.
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Hmmmm, this is all what I was told at one place. Maybe some of these rules — 30 kids max, donating for a year at a minimum, or the 99% figure — are specific to that company, rather than being UK-wide norms/regulations.
Or perhaps they were rounding up to 99% to just mean 'the vast majority'.
I'd forgotten about the ten family limit, thanks for the reminder.
Like you I have the impression that they're much less selective on eggs.