Delayed blastocyst development does not influence the outcome of frozen-thawed transfer cycles

BJOG: An International Journal of Obstetrics and Gynaecology

Volumn 118, Issue 13, 2011, Pages 1551-1556

  El Toukhy, T ^a   Wharf, E ^a   Walavalkar, R ^a   Singh, A ^a   Bolton, V ^a   Khalaf, Y ^a   Braude, P ^a  

^a GUY'S AND ST THOMAS' NHS FOUNDATION TRUST   (United Kingdom)

Author keywords

Blastocyst; blastocyst transfer; embryo development; embryo freezing; endometrium; in vitro fertilisation outcome

Indexed keywords

ESTRADIOL; PROGESTERONE;

ARTICLE; BLASTOCYST; CELL EXPANSION; CELL SURVIVAL; FEMALE; FERTILIZATION IN VITRO; FREEZE THAWING; HORMONAL THERAPY; HUMAN; HUMAN CELL; LIVE BIRTH; OBSERVATIONAL STUDY; OUTCOME ASSESSMENT; PREGNANCY RATE; PRIORITY JOURNAL;

ADULT; BLASTOCYST; CELL SURVIVAL; CRYOPRESERVATION; EMBRYO IMPLANTATION; EMBRYO TRANSFER; EMBRYONIC DEVELOPMENT; ESTRADIOL; FEMALE; FERTILIZATION IN VITRO; HUMANS; INFERTILITY, FEMALE; INFERTILITY, MALE; LIVE BIRTH; MALE; PREGNANCY; PREGNANCY OUTCOME; PREGNANCY RATE; PROGESTERONE; PROGESTINS; TIME FACTORS;

EID: 81255138420     PISSN: 14700328     EISSN: 14710528     Source Type: Journal    
DOI: 10.1111/j.1471-0528.2011.03101.x     Document Type: Article

References (34)

1. Ding J, Pry M, Rana N, Dmowski WP,. Improved outcome of frozen-thawed blastocyst transfer with Menezo's two-step thawing compared to the stepwise thawing protocol. J Assist Reprod Genet 2004; 21: 203-10. (Pubitemid 39221156)
2. Van den Abbeel E, Camus M, Verheyen G, Van Waesberghe L, Devroey P, Van Steirteghem A,. Slow controlled-rate freezing of sequentially cultured human blastocysts: an evaluation of two freezing strategies. Hum Reprod 2005; 20: 2939-45. (Pubitemid 41487656)
3. Shapiro B, Daneshmand S, Garner F, Aguirre M, Ross R,. Contrasting patterns in in vitro fertilization pregnancy rates among fresh autologous, fresh oocyte donor, and cryopreserved cycles with the use of day 5 or day 6 blastocysts may reflect differences in embryo-endometrium synchrony. Fertil Steril 2008; 89: 20-26.
4. Marek D, Langley M, McKean C, Weiand L, Doody KM, Doody KJ,. Frozen embryo transfer (FET) of day 5 blastocyst embryos compared to transfer of day 6 blastocyst embryos. Fertil Steril 2000; 74 (Suppl 1): 138, S52.
5. Liebermann J, Tucker M,. Comparison of vitrification and conventional cryopreservation of day 5 and day 6 blastocysts during clinical application. Fertil Steril 2006; 86: 20-26. (Pubitemid 43962979)
6. Levens E, Whitcomb B, Hennessy S, James A, Yauger B, Larsen F,. Blastocyst development rate impacts outcome in cryopreserved blastocyst transfer cycles. Fertil Steril 2008; 90: 2138-43.
7. Behr B, Gebhardt J, Lyon J, Milki A,. Factors relating to a successful cryopreserved blastocyst transfer program. Fertil Steril 2002; 77: 697-9. (Pubitemid 34275346)
8. Mukaida T, Nakamura S, Tomiyama T, Wada S, Oka C, Kasai M, et al., Vitrification of human blastocysts using cryoloops: clinical outcome of 223 cycles. Hum Reprod 2003; 18: 384-91. (Pubitemid 36236275)
9. Richter K, Shipley S, McVearry I, Tucker M, Widra E,. Cryopreserved embryo transfers suggest that endometrial receptivity may contribute to reduced success rates of later developing embryos. Fertil Steril 2006; 86: 862-6. (Pubitemid 44485033)
10. Clarke R, Bodine R, Zaninovic N, Veeck L,. A comparison of post-thaw survival and pregnancy rates in day 5 and day 6 frozen-thawed human blastocysts. Fertil Steril 2002; 78 (Suppl 1): 30, S12.
11. Kosasa T, McNamee P, Morton C, Huang T,. Pregnancy rates after transfer of cryopreserved blastocysts cultured in sequential media. Am J Obstet Gynecol 2005; 192: 2035-40. (Pubitemid 40827082)
12. Sunkara S, Siozos A, Bolton V, Khalaf Y, Braude P, El-Toukhy T,. The influence of delayed blastocyst formation on the outcome of frozen-thawed blastocyst transfer: a systematic review and meta-analysis. Hum Reprod 2010; 25: 1906-15.
13. Gardner D, Schoolcraft W,. Culture and transfer of human blastocysts. Curr Opin Obstet Gynecol 1999; 11: 307-11. (Pubitemid 29465844)
14. El-Toukhy T, Taylor A, Khalaf Y, Al-Darazi K, Rowell P, Seed P, et al., Pituitary suppression in ultrasound-monitored frozen embryo replacement cycles. A randomised study. Hum Reprod 2004; 19: 874-9. (Pubitemid 38456051)
15. Jones G, Trounson A, Lolatgis N, Wood C,. Factors affecting the success of human blastocyst development and pregnancy following in vitro fertilization and embryo transfer. Fertil Steril 1998; 70: 1022-9. (Pubitemid 28546225)
16. Oehninger S, Mayer J, Muasher S,. Impact of different clinical variables on pregnancy outcome following embryo cryopreservation. Mol Cell Endocrinol 2000; 169: 73-7. (Pubitemid 32063302)
17. Wang J, Yap Y, Matthews C,. Frozen-thawed embryo transfer: influence of clinical factors on implantation rate and risk of multiple conception. Hum Reprod 2001; 16: 2316-9. (Pubitemid 33054129)
18. El-Toukhy T, Khalaf Y, Al-Darazi K, O'Mahony F, Wharf E, Taylor A, et al., Cryo-thawed embryos obtained from conception cycles have double the implantation and pregnancy potential of those from unsuccessful cycles. Hum Reprod 2003; 18: 1313-8. (Pubitemid 36740583)
19. Salumets A, Suikkari A, Makinen S, Karro H, Roos A, Tuuri T,. Frozen embryo transfers: implications of clinical and embryological factors on the pregnancy outcome. Hum Reprod 2006; 21: 2368-74. (Pubitemid 44530614)
20. Kader A, Choi A, Orief Y, Agarwal A,. Factors affecting the outcome of human blastocyst vitrification. Reprod Biol Endocrinol 2009; 6: 99.
21. Veeck L, Bodine R, Clarke R, Berrios R, Libraro J, Moschini RM, et al., High pregnancy rates can be achieved after freezing and thawing human blastocysts. Fertil Steril 2004; 82: 1418-27. (Pubitemid 39469469)
22. Hiraoka K, Horaoka K, Kinutani M, Kinutani K,. Blastocoele collapse by micropipetting prior to vitrification gives excellent survival and pregnancy outcomes for human day 5 and 6 expanded blastocysts. Hum Reprod 2004; 19: 2884-8. (Pubitemid 40028962)
23. Stehlik E, Stehlik J, Katayama K, 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. (Pubitemid 40960147)
24. Takakashi K, Mukaida T, Goto T, Oka C,. Perinatal outcome of blastocyst transfer with vitrification using cryoloop: a 4-year follow-up study. Fertil Steril 2005; 84: 88-92. (Pubitemid 40991465)
25. Haritha S, Rajagopalan G,. Follicular growth, endometrial thickness and serum estradiol levels in spontaneous and clomiphene citrate-induced cycles. Int J Gynecol Obstet 2003; 81: 287-92. (Pubitemid 36593257)
26. Devroey P, Bourgain C, Macklon N, Fauser B,. Reproductive biology and IVF: ovarian stimulation and endometrial receptivity. Trends Endocrinol Metab 2004; 15: 84-90. (Pubitemid 38258332)
27. Hofmann G, Thie J, Scott R, Navot D,. Endometrial thickness is predictive of histologic endometrial maturation in women undergoing hormone replacement for ovum donation. Fertil Steril 1996; 66: 380-3. (Pubitemid 27009875)
28. Kader A, Agarwal A, Abdelrazik H, Sharma R, Ahmady A, Falcone T,. Evaluation of post-thaw DNA integrity of mouse blastocysts after ultra rapid and slow freezing. Fertil Steril 2009; 91 (5 Suppl): 2087-94.
29. Menezo Y, Nicollet B, Herbaut N, Andre D,. Freezing cocultured human blastocysts. Fertil Steril 1992; 58: 977-80.
30. Tang R, Catt J, Howlett D,. Towards defining parameters for a successful single embryo transfer in frozen cycles. Hum Reprod 2006; 21: 1179-83.
31. Bergh T, Ericson A, Hillensjo T, Nygren K, Wennerholm U,. Deliveries and children born after in-vitro fertilisation in Sweden 1982-95: a retrospective cohort study. Lancet 1999; 354: 1579-85. (Pubitemid 29515948)
32. Karlstrom P, Bergh C,. Reducing the number of embryos transferred in Sweden-impact on delivery and multiple birth rates. Hum Reprod 2007; 22: 2202-7. (Pubitemid 47241867)
33. Kallen B, Finnstrom O, Lindam A, Nilsson E, Nygren K, Otterblad Olausson P,. Trends in delivery and neonatal outcome after in vitro fertilisation in Sweden: data for 25 years. Hum Reprod 2010; 25: 1026-34.
34. Kolibianakis E, Venetis C, Tarlatzis B,. Cryopreservation of human embryos by vitrification or slow freezing: which one is better? Curr Opin Obstet Gynecol 2009; 21: 270-4.