Table 1. Embryo cultures with and without renewal |
Clinical results |
Total (%) |
With renewal (%) |
Without renewal (%) |
p-value |
nº of patients |
82 |
38 |
44 |
- |
nº of mature oocytes |
689 |
318 |
371 |
0.901 |
Fertilization rate (%) |
589 (85.49) |
264 (83.02) |
325 (87.60) |
0.256 |
Blastocyst development (%) |
348 (59.08) |
157 (59.47) |
191 (58.77) |
0.269 |
nº of transferred embryos |
159 |
73 |
86 |
0.725 |
Positive β-hCG (%) |
54 (65.85) |
24 (63.16) |
30 (68.18) |
0.632 |
Clinical pregnancy rate (%) |
51 (62.2) |
22 (57.89) |
29 (65.91) |
0.455 |
Implantation rate (%) |
79 (49.69) |
36 (49.32) |
43 (50.00) |
0.330 |