Table 1 Cleavage (D2) and cumulative blastocyst development rates (D7–9) after in vitro culture with BSA or dFCS supplemented or not with OF-EVs (D1–4) and UF-EVs (D5–8) (28 replicates)

1584

1427 (89.5 ± 1.0)

248 (16.2 ± 1.5)^a

484 (31.0 ± 1.9)^a

548 (34.6 ± 1.7)^a

1853

1677 (89.7 ± 1.1)

261 (14.1 ± 1.7)^a

496 (26.2 ± 2.0)^b

555 (29.2 ± 2.1)^b

1594

1435 (89.5 ± 0.9)

476 (30.5 ± 2.0)^b

648 (40.7 ± 2.5)^c

659 (41.7 ± 2.4)^c

1473

1337 (90.7 ± 0.9)

460 (31.1 ± 2.5)^b

590 (39.8 ± 2.7)^c

615 (41.4 ± 2.8)^c