Table 2 Human chorionic gonadotropin (hCG) injected during embryo transfer compared to no injection for infertile women undergoing in vitro fertilisation cycles
| Intervention group (hCG) n/N | Control group n/N | Relative risk | 95% confidence intervals | |
|---|---|---|---|---|
| Biochemical pregnancies | 53/101 | 39/109 | 1.46 | 1.07 to 2.00 |
| p 0.01 | ||||
| Clinical pregnancies | 51/101 | 36/109 | 1.52 | 1.09 to 2.12 |
| p 0.01 |