Stage at Vitrification | Cleavage | Blastocyst | ||
---|---|---|---|---|
Rapid-i | Cryoloop | Rapid-i | Cryoloop | |
Patient age | 33.6 ± 3.3 | 34.1 ± 3.7 | 34.2 ± 3.8 | 34. ± 3.2 |
No vitrification-warming cycles | 44 | 71 | 51 | 90 |
No. vitrified embryos warmed | 92 | 139 | 92 | 163 |
No. intact embryos on warming (%) | 91(99) | 137 (99) | 89 (97) | 148 (91) |
Mean no. embryos thawed | 2.1 ± 0.7 | 2.0 ± 10.4 | 1.8 ± 0.7 | 1.8 ± 0.7 |
No. transfers | 43 | 70 | 51 | 85 |
No. embryos surviving and transferred | 85 | 130 | 88 | 143 |
Mean no. embryos transferred | 2.0 ± 0.5 | 1.9 ± 0.4 | 1.7 ± 0.5 | 1.7 ± 0.5 |
Implantation rate (%) | 31/85 (37) | 46/130 (35) | 43/88 (49) | 54/143(38) |
Clinical pregnancy rate (%) | 20/43(47) | 34/70 (49) | 30/51 (59) | 39/85 (46) |
Multiple pregnancy rate (%) | 2/20 (10) | 10/34 (29) | 8/30 (27) | 9/39 (23) |
Miscarriage rate (%) | 2/43 (5) | 3/70 (4) | 5/51 (10) | 6/85 (7) |
Deliveries | 15 | 29 | 16 | 26 |
Infants | 16 | 36 | 18 | 36 |
Boys/Girls | 8/8 | 17/19 | 9/9 | 15/21 |
Ongoing pregnancies | 3 | 2 | 9 | 7 |