Table 2.
Comparison of outcomes using two transfer media for frozen‐thawed embryo transfer on day 2 or 3
| Low HA | High HA | P | |
|---|---|---|---|
| No. cycles | 277 | 284 | |
| Mean age (years) | 40.9 ± 3.8 | 40.6 ± 3.5 | .41a |
| No. IVF trials | 4.1 ± 3.5 | 3.9 ± 2.9 | .45a |
| No. of transferred embryos | 1.6 ± 0.5 | 1.5 ± 0.5 | .19a |
| Endometrial thickness (mm) | 10.6 ± 1.7 | 10.5 ± 1.9 | .42a |
| Pregnancy/transfer rate (%) | 20.9 (58/277) | 22.9 (65/284 | .65b |
| Implantation rate (%) | 13.4 (58/432) | 15.8 (66/418) | .42b |
| Abortion rate (%) | 17.2 (10/58) | 21.5 (14/65) | .88b |
HA, hyaluronan; IVF, in vitro fertilization.
a
Student's t test.
b
χ2‐test.