Table 1.
General characteristics of included studies
| Study | Design | Country * | Funding | PGT-A technology | Mean age (SD) | Type of embryo transfer |
|---|---|---|---|---|---|---|
| Schoolcraft et al. 2010 | NRSI | UK | Government | aCGH | 37.7 (0.5) | Frozen/thawed |
| Yang et al. 2012 | RCT | China, USA | NR | aCGH | 31.4 (2.7) | Fresh |
| Scott Jr. et al. 2013 | RCT | USA | Industry | qPCR | 32.2 (0.5) | Frozen/thawed |
| Forman et al. 2013 | RCT | USA | Industry | qPCR | 34.8 (4.3) | Frozen/thawed Fresh |
| Greco et al. 2014 | NRSI | Spain | NR | aCGH | 32 (0.9) | Frozen/thawed Fresh |
| Liss et al. 2018 | NRSI | Poland | Academic | NGS | 35.8 (3.7) | Frozen/thawed |
| Ozgur et al. 2019 | RCT | Turkey | Private | NGS | 28.5 (3.71) | Frozen/thawed |
| Munné et al. 2019 | RCT | USA | Industry | NGS | 33.7 (3.5) | Frozen/thawed |
| Sato et al. 2019 | NRSI | Japan | Government | aCGH | 39.2 (2.1) | Frozen/thawed |
| Sui et al. 2020 | RCT | China | Private | SNP microarray | 35.8 (5.1) | Frozen/thawed |
*
Country was based on the setting of the study, or the reported country of the corresponding author if the setting was not reported.
NRSI: Non-randomized study of intervention; NR: Non-reported; RCT: Randomized clinical trial; PGT-A: Preimplantation genetic testing for aneuploidy; aCGH: Array comparative genomic hybridization; qPCR: Real-time polymerase chain reaction; NGS: Next generation sequencing