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Fruitless
The best fertility clinic in the country (by every measurable scale) is Colorado Center for Reproductive Medicine.
They, in turn, work with only two sperm banks. One is Fairfax (and, frankly, I don't recall the other).
So whatever criteria is being used by the best fertility clinic and embryology lab to decide on the best sperm banks is a recommendation I would take to the bank.
Good luck.
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