References
HFEA press release. New national alert system for IVF clinics. http://www.hfea.gov.uk/837.html. June 5, 2003.
Kaida T, Oka C, Goto T, Takahashi K. Artificial shrinkage of blastocoeles using either a micro-needle or a laser pulse prior to the cooling steps of vitrification improves survival rate and pregnancy outcome of vitrified human blastocysts. Hum Reprod. 2006;21:3246–52.
Estes SJ, Laky DC, Hoover LM, Smith SE, Schinfeld JS, Somkuti SG. Successful pregnancy resulting from cryopreserved pronuclear and cleaved embryos thawed and cultured to blastocysts, refrozen and transferred. A case report. J Reprod Med. 2003;48:46–8.
Farhat M, Zentner B, Lossos F, Bdolah Y, Holtzer H, Hurwitz A. Successful pregnancy following replacement of embryos previously refrozen at blastocyst stage: case report. Hum Reprod. 2001;16:337–9.
Hiraoka K, Hiraoka K, Kinutani M, Kinutani K. Successful dizygotic twin pregnancy after recryopreservation by vitrification of human expanded blastocysts developed from frozen cleaved embryos on day 6: a case report. J Reprod Med. 2006;51:213–6.
Rezazadeh Valojerdi M, Eftekhari-Yazdi P, Karimian L, Hassani F, Movaghar B. Vitrification versus slow freezing gives excellent survival, post warming embryo morphology and pregnancy outcomes for human cleaved embryos. J Assist Reprod Genet. 2009;26:347–54.
Smith GD, Serafini PC, Fioravanti J, Yadid I, Coslovsky M, Hassun P. Prospective randomized comparison of human oocyte cryopreservation with slow-rate freezing or vitrification. Fertil Steril. 2010;94:2088–95.
Stehlik E, Stehlik J, Katayama KP, Kuwayama M, Jambor V, Brohammer R, et al. Vitrification demonstrates significant improvement versus slow freezing of human blastocysts. Reprod Biomed Online. 2005;11:53–7.
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Capsule Healthy birth of twins was documented following transfer of re-cryopreserved blastocysts developed from frozen embryos recovered from an unforeseen freezer malfunction occurring at −15°C of cooling process.
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Shu, Y., Kutteh, W.H. & Ke, R.W. Live birth of healthy twins following transfer of re-cryopreserved blastocysts developed from frozen embryos recovered from a malfunctioning freezer. J Assist Reprod Genet 30, 247–249 (2013). https://doi.org/10.1007/s10815-012-9920-x
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DOI: https://doi.org/10.1007/s10815-012-9920-x