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Table 1 Laboratory outcomes after cryopreserved/warmed oocyte IVF and extended embryo culture to Day 7

From: Is day 7 culture necessary for in vitro fertilization of cryopreserved/warmed human oocytes?

No. of warming cycle57
No. of oocytes warmed455
Mean ages of recipients42.8 ± 6.3
Mean No. of oocytes warmed7.98 ± 1.87
No. of oocytes survived428 (94.1%)
No. of oocytes fertilized331 (77.3%)
No. of oocytes cleaved314 (94.9%)
Total No. of blastocysts186 (56.2%)
At Day 564 (34.4%)
At Day 693 (50.0%)
At Day 729 (15.6%)
No. of cycles with Day 7 blastocysts20 (35.1%)
No. of cycles with only Day 7 blastocysts2 (3.5%)