Table 2 Survival rates after vitrification and warming of day 7–8 blastocysts cultured with BSA or dFCS supplemented or not with OF-EVs (D1–4) and UF-EVs (D5–8)
Treatment | IVC n | 4 h | 24 h | 48 h | 72 h |
|---|---|---|---|---|---|
n (% ± SEM) | n (% ± SEM) | n (% ± SEM) | n (% ± SEM) | ||
BSA | 67 | 64 (95.4 ± 2.8) | 56 (78.5 ± 6.6) | 51 (68.6 ± 8.9) | 49 (67.1 ± 8.1)a |
BSA-EV | 52 | 48 (93.9 ± 6.1) | 43 (84.2 ± 8.7) | 41 (79.2 ± 9.8) | 39 (73.1 ± 10.7)a |
dFCS | 86 | 80 (93.4 ± 2.6) | 75 (86.6 ± 4.0) | 67 (75.8 ± 5.7) | 61 (69.2 ± 5.8)a |
dFCS-EV | 64 | 63 (97.9 ± 2.1) | 60 (93.3 ± 4.1) | 57 (91.2 ± 4.3) | 54 (87.8 ± 5.7)b |