Peter Attia· MD
With Ixie or intracytoplasmic sperm injection, the embryologist takes a single sperm and injects it into each egg. And the only time again you need to do Ixie is if the sperm is so dysfunctional that it can't even on its own with no barriers make its way to fertilization when placed in direct proximity of an egg. It probably could, but maybe there's too few sperm. So anytime there's a male factor, we tend