Table 9.
Extracted data regarding fertilization rate and clinical pregnancy rate observed following DuoStim and ConStim respectively
| Studies | Fertilization ratea | Clinical pregnancy rate | ||
|---|---|---|---|---|
| DuoStim | ConStim | DuoStim | ConStim | |
| Cardoso et al., 2017 [18] | 91/120 (75.8%) | 51/69 (73.6%) | NA | NA |
| Liu et al. 2017 [20] | 496/676 (73.4%) | 199/270 (73.7%) | NA | NA |
| Martazanova et al. 2018 [17] | NA | NA | 39/76 (51.3%) | 30/72 (41.7%) |
| Jin et al., 2018 [19] | 247/294 (84%) | 250/280 (89.3%) | 19/52 (36.5%) | 17/56 (30.3%) |
| Zhang et al. 2018 [22] | 137/164 (83.5%) | 441/551 (80.0%) | 7/43 (16.2%) | 31/94 (33.0%) |
DuoStim double ovarian stimulation, ConStim conventional ovarian stimulation, NA not applicable
aFertilization rate defined as the number of 2PN zygotes obtained per inseminated oocytes