Table 4.
Comparison of pregnancy and implantation outcomes between time-lapse (Group A) and conventional incubator (Group B), as well as the mixed embryo transfer
| Parameters | Group A | Group B | Mixed | p value |
|---|---|---|---|---|
| Patient with SET |
19 |
15 |
n/a |
|
| Patient with DET |
26 |
22 |
45 |
|
| Clinical pregnancies after SET |
10 |
5 |
n/a |
|
| Clinical pregnancies after DET |
21 |
11 |
24 |
|
| Clinical pregnancy rate |
71.1% |
45.9% |
53.3% |
0.037a |
| Implantation rate |
66.2% |
42.4% |
47.8% |
0.011a |
| Ongoing pregnancy rate |
68.9% |
40.5% |
48.9% |
0.019a |
| Pregnancy loss rate | 3.1% | 11.8% | 8.3% | 0.273b |
SET = single embryo transfer; DET = double embryo transfer; Mixed = mixed embryo transfer (one from the time-lapse system and one from the conventional incubator); aGroup A vs. Group B, by Chi-square analysis; bGroup A vs. Group B, by Fisher’s exact test.