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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 cycle

57

No. of oocytes warmed

455

Mean ages of recipients

42.8 ± 6.3

Mean No. of oocytes warmed

7.98 ± 1.87

No. of oocytes survived

428 (94.1%)

No. of oocytes fertilized

331 (77.3%)

No. of oocytes cleaved

314 (94.9%)

Total No. of blastocysts

186 (56.2%)

At Day 5

64 (34.4%)

At Day 6

93 (50.0%)

At Day 7

29 (15.6%)

No. of cycles with Day 7 blastocysts

20 (35.1%)

No. of cycles with only Day 7 blastocysts

2 (3.5%)