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. 2022 Nov 28;12:20473. doi: 10.1038/s41598-022-24649-w

Table 2.

IVF/ICSI fresh and frozen cycles outcomes.

Variable All pregnancies Ectopic pregnancy Eutopic pregnancy p value
Oocytes retrieved 9.69 ± 4.79 9.89 ± 4.65 9.69 ± 4.79 0.518
Cleavage stage transfers 4298 (61.88%) 78 (63.93%) 4220 (61.84%) 0.637
Blastocyst stage transfers 2648 (38.12%) 44 (36.07%) 2604 (38.16%)
Cycles with frozen oocytes 532 (11.81%) 10 (11.49%) 522 (11.81%) 0.927
Cycles with frozen embryos 2066 (29.66%) 40 (32.79%) 2026 (29.60%) 0.445
Frozen embryos 1.89 ± 1.13 1.83 ± 1.17 1.89 ± 1.13 0.520
Frozen Oocytes 6.86 ± 2.91 7.90 ± 4.31 6.84 ± 2.88 0.960
Number Fresh Embryos Transferred 2.11 ± 0.59 2.06 ± 0.51 2.11 ± 0.59 0.347
Number Warmed Embryos Transferred 1.30 ± 0.55 1.49 ± 0.70 1.30 ± 0.55 0.089
Cleavage stage fresh embryo transfers 3925 (87.14%) 69 (79.31%) 3856 (87.30%) 0.027
Blastocyst stage fresh embryo transfers 579 (12.86%) 18 (20.69%) 561 (12.70%)
Cleavage stage frozen embryo transfers 373 (15.27%) 9 (25.71%) 364 (15.12%) 0.084
Blastocyst stage frozen embryo transfers 2069 (84.73%) 26 (74.29%) 2407 (84.88%)
Difficult transfers 1467 (21.47%) 35 (28.93%) 1432 (21.34%) 0.044