References
- McLernon D, Harrild K, Bergh C, et al. Clinical effectiveness of elective single versus double embryo transfer: meta-analysis of individual patient data from randomised trials. BMJ 2010;341:c6945
- Loutradi KE, Kolibianakis EM, Venetis CA, et al. Cryopreservation of human embryos by vitrification or slow freezing: a systematic review and meta-analysis. Fertil Steril 2008;90:186–93
- AbdelHafez FF, Desai N, Abou-Setta AM, et al. Slow freezing, vitrification and ultra-rapid freezing of human embryos: a systematic review and meta-analysis. Reprod Biomed Online. 2010;20:209–222
- Kuleshova LL, Lopata A. Vitrification can be more favorable than slow cooling. Fertil Steril. 2002;78:449–54
- Feng G, Zhang B, Zhou H, et al. Comparable clinical outcomes and live births after single vitrified–warmed and fresh blastocyst transfer. Reprod Biomed Online. 2012;25:466–73
- Ozgur K, Berkkanoglu M, Bulut H, et al. Perinatal outcomes after fresh versus vitrified-warmed blastocyst transfer: retrospective analysis. Fertil Steril. 2015;104:899–907
- Glenister P, Whittingham D, Lyon MF. Further studies on the effect of radiation during the storage of frozen 8-cell mouse embryos at -196 degrees C. J Reprod Fertil. 1984;70:229–34
- Glenister P, Lyon MF. Long-term storage of eight-cell mouse embryos at –196 degrees C. J In Vitro Fert Embryo Transf. 1986;3:20–27
- Liu Q, Lian Y, Huang J, et al. The safety of long-term cryopreservation on slow-frozen early cleavage human embryos. J Assist Reprod Genet. 2014;31:471–5
- Wirleitner B, Vanderzwalmen P, Bach M, et al. The time aspect in storing vitrified blastocysts: its impact on survival rate, implantation potential and babies born. Hum Reprod. 2013;28:2950–7
- Shi W, Xue X, Zhang S, et al. Perinatal and neonatal outcomes of 494 babies delivered from 972 vitrified embryo transfers. Fertil Steril. 2012;97:1338–42
- Kuwayama M, Vajta G, Kato O, Leibo SP. Highly efficient vitrification method for cryopreservation of human oocytes. Reprod Biomed Online. 2005;11:300–8
- Gosden R. Cryopreservation: a cold look at technology for fertility preservation. Fertil Steril. 2011;96:264–8
- Bielanski A, Bergeron H, Lau P, Devenish J. Microbial contamination of embryos and semen during long term banking in liquid nitrogen. Cryobiology. 2003;46:146–52
- Vajta G, Rienzi L, Ubaldi FM. Open versus closed systems for vitrification of human oocytes and embryos. Reprod Biomed Online. 2015;30:325–33
- Bonetti A, Cervi M, Tomei F, et al. Ultrastructural evaluation of human metaphase II oocytes after vitrification: closed versus open devices. Fertil Steril. 2011;95:928–35
- Testart J, Lassalle B, Forman R, et al. Factors influencing the success rate of human embryo freezing in an in vitro fertilization and embryo transfer program. Fertil Steril. 1987;48:107–12
- Sánchez-Osorio J, Cuello C, Gil M, et al. In vitro postwarming viability of vitrified porcine embryos: Effect of cryostorage length. Theriogenology. 2010;74:486–90
- Aflatoonian A, Moghaddam FM, Mashayekhy M, Mohamadian F. Comparison of early pregnancy and neonatal outcomes after frozen and fresh embryo transfer in ART cycles. J Assist Reprod Genet. 2010;27:695–700
- Raju GAR, Prakash GJ, Krishna KM, Madan K. Neonatal outcome after vitrified day 3 embryo transfers: a preliminary study. Fertil Steril. 2009;92:143–8