Outcomes and comparisons | Effect estimate (Random effect model, 95% CI) | Studies | Participants | Study ID |
---|---|---|---|---|
Live birth rate | Â | Â | Â | Â |
CHM vs CM | Â | Â | Â | Â |
CHM vs progesterone-based treatment | RR 1.31 [1.13, 1.52]*∆ | 4 | 481 | |
CHM vs progesterone plus hCG-based treatment | RR 1.25 [1.06, 1.47]* | 1 | 158 | Feng [45] |
CHM vs CM with uncertain effect | RR 0.97 [0.41, 2.33] | 3 | 214 | |
CHM plus CM vs CM | Â | Â | Â | Â |
CHM plus CM vs progesterone-based treatment | RR 1.17 [1.06, 1.29]*∆ | 4 | 315 | |
CHM plus CM vshCG-based treatment | RR 1.20 [1.01, 1.43]* | 1 | 75 | He WH [19] |
CHM plus CM vs progesterone plus hCG-based treatment | RR 1.08 [0.93, 1.25] | 3 | 148 | |
CHM plus CM vs CM with uncertain effect | RR 1.55 [1.16, 2.08]*∆ | 5 | 485 | |
Embryonic developmental state | Â | Â | Â | Â |
CHM vs CM | Â | Â | Â | Â |
CHM vs progesterone-based treatment | RR 1.43 [1.02, 1.99]*∆ | 3 | 253 | |
CHM vs CM with uncertain effect | RR 1.33 [0.99, 1.77]∆ | 6 | 515 | Ban [39], Liu [24], Luo [17], Tang [12], Tian [29], Zhao [49] |
CHM plus CM vs CM | Â | Â | Â | Â |
CHM plus CM vs progesterone-based treatment | RR 1.55 [1.23, 1.94]*∆ | 2 | 191 | |
CHM plus CM vs progesterone plus hCG-based treatment | RR 1.18 [1.05, 1.33]*∆ | 4 | 252 | |
CHM plus CM vs CM with uncertain effect | RR 1.47 [1.03, 2.10]* | 5 | 349 |