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Separation of fresh embryos cultured with BSA was predictive of pregnancy at Day-62 (C,D) (Q2: p < 0.07, R2Y: p < 0.04), although not for pregnancy at Day-40 (A,B) and birth (E,F) (Q2 and R2Y > 0.10). Empirical p-values were obtained after 100 permutations.
