| Trial | Unuseable data |
| Iacobelli 2008 | Clinical pregnancy rate, implantation rate, embryo development rate |
| Minasi 2003 | Implantation rate |
| Silverberg 2005 | Ongoing pregnancy rate, embryo development rate, cryopreservation rate |
| Waldenström 2009 | Embryo development rate, cryopreservation rate |
| Sepulveda 2011 | Fertilisation rate, blastulation rate, expanded blastocysts rate, MCI Grade A blastocysts rate |
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