Authors, Country (Year) | Study period | Study type | Participant | No. of cycles and oocytes/embryos thawed | Outcomes | Funding | Overall quality assessment | |
---|---|---|---|---|---|---|---|---|
Study (Closed) | Control (Open) | |||||||
Kuwayama et al. (2005), Japan | NM | Prospective | Embryo | 88 embryos | 227 embryos | CsR; CPR; LBR | None declared | Moderate risk |
Chen et al. (2013), China | 2010.04–2012.05 | Retrospective | Embryo | 226 cycles; 308 embryos | 106 cycles; 150 embryos | CsR; IR; CaR; CPR; OPR; MR; LBR; BB; MR | Yes | Low risk |
Panagiotidis et al. (2013), Greece | 2009.06–2011.09 | Prospective | Embryo | 224 cycles; 513 embryos | 208 cycles; 492 embryos | CsR; PβR; IR; CaR; CPR; OPR; MR; LBR; BB; MR | None declared | Low risk |
Desai et al. (2013), America | 2011.01–2012.08 | Retrospective | Embryo | 95 cycles; 184 embryos | 161 cycles; 302 embryos | CsR; IR; CaR; CPR; OPR; MR; LBR; BB; MR | None declared | Low risk |
Hashimoto et al. (2013), Japan | 2011.07–2012.09 | Prospective | Embryo | 100 embryos | 163 embryos | CsR; IR; OPR | Yes | Moderate risk |
Roy et al., Australia (2014) | NM | Prospective | Embryo | 23 embryos | 13 embryos | CsR; OPR | Yes | Serious risk |
Iwahata et al. (2015), Japan | 2011.11–2013.12 | Retrospective | Embryo | 302 cycles; 313 embryos | 539 cycles; 561 embryos | CsR; IR; CPR; MR; LBR; MR | None declared | Low risk |
Paffoni et al. (2011), Italy | 2007.06–2009.04 | Retrospective | Oocyte/embryo | 51 cycles; 261 MII oocytes/87 embryos | 53 cycles; 268 MII oocytes/116 embryos | CsR; IR; FR; ClR; GQER; CPR; LBR | None declared | Low risk |
Papatheodorou et al. (2013), Greece | 2007.02–2010.12 | Prospective | Oocyte | 598 MII oocytes | 608 MII oocytes | CsR; FR; ClR; GQER; PβR; IR; CPR; MR; OPR; LBR | None declared | Low risk |
De Munck et al. (2016), Belgium | 2014.01–2015.07 | Prospective | Oocyte/embryo | 253 MII oocytes | 257 MII oocytes | CsR; FR; GQER; PβR; MR; OPR | No funding | Low risk |
Gook et al. (2016), Australia | 2012.06–2015.06 | Prospective | Oocyte | 39 MII oocytes | 79 MII oocytes | CsR | None declared | Serious risk |
Sarandi et al. (2016), France | 2014.11–2015.05 | Prospective | Oocyte | 96 GV/MI oocytes | 118 GV/MI oocytes | CsR | None declared | Serious risk |