References
1. Sullivan EA, Wang YA, Hayward I, Chambers GM, Illingworth P, McBain J, et al. Single embryo transfer reduces the risk of perinatal mortality, a population study. Human reproduction (Oxford, England). 2012 Dec;27(12):3609-15.
2. McLernon DJ, Harrild K, Bergh C, Davies MJ, de Neubourg D, Dumoulin JC, et al. Clinical effectiveness of elective single versus double embryo transfer: meta-analysis of individual patient data from randomised trials. BMJ (Clinical research ed). 2010 Dec 21;341:c6945.
3. Rienzi L, Gracia C, Maggiulli R, LaBarbera AR, Kaser DJ, Ubaldi FM, et al. Oocyte, embryo and blastocyst cryopreservation in ART: systematic review and meta-analysis comparing slow-freezing versus vitrification to produce evidence for the development of global guidance. Human reproduction update. 2017 Mar 1;23(2):139-55.
4. Wirleitner B, Schuff M, Stecher A, Murtinger M, Vanderzwalmen P. Pregnancy and birth outcomes following fresh or vitrified embryo transfer according to blastocyst morphology and expansion stage, and culturing strategy for delayed development. Human reproduction (Oxford, England). 2016 Aug;31(8):1685-95.
5. Berin I, McLellan ST, Macklin EA, Toth TL, Wright DL. Frozen-thawed embryo transfer cycles: clinical outcomes of single and double blastocyst transfers. Journal of assisted reproduction and genetics. 2011 Jul;28(7):575-81.
6. Eum JH, Park JK, Kim SY, Paek SK, Seok HH, Chang EM, et al. Clinical outcomes of single versus double blastocyst transfer in fresh and vitrified-warmed cycles. Clinical and experimental reproductive medicine. 2016 Sep;43(3):164-8.
7. Racca A, Drakopoulos P, Van Landuyt L, Willem C, Santos-Ribeiro S, Tournaye H, et al. Single and double embryo transfer provide similar live birth rates in frozen cycles. Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology. 2020 Mar 3:1-5.
8. Devine K, Connell MT, Richter KS, Ramirez CI, Levens ED, DeCherney AH, et al. Single vitrified blastocyst transfer maximizes liveborn children per embryo while minimizing preterm birth. Fertil Steril. 2015 Jun;103(6):1454-60.e1.
9. Zhang J, Huang J, Liu H, Wang B, Yang X, Shen X, et al. The impact of embryo quality on singleton birthweight in vitrified-thawed single blastocyst transfer cycles. Human reproduction (Oxford, England). 2020 Feb 29;35(2):308-16.
10. Bashiri A, Halper KI, Orvieto R. Recurrent Implantation Failure-update overview on etiology, diagnosis, treatment and future directions. Reproductive biology and endocrinology : RB&E. 2018 Dec 5;16(1):121.
11. Prapas N, Kalogiannidis I, Prapas I, Xiromeritis P, Karagiannidis A, Makedos G. Twin gestation in older women: antepartum, intrapartum complications, and perinatal outcomes. Archives of gynecology and obstetrics. 2006 Feb;273(5):293-7.
12. Cai J, Liu L, Zhang J, Qiu H, Jiang X, Li P, et al. Low body mass index compromises live birth rate in fresh transfer in vitro fertilization cycles: a retrospective study in a Chinese population. Fertil Steril. 2017 Feb;107(2):422-9.e2.
13. Gardner DK, Schoolcraft WB. Culture and transfer of human blastocysts. Current opinion in obstetrics & gynecology. 1999 Jun;11(3):307-11.
14. Kuwayama M. Highly efficient vitrification for cryopreservation of human oocytes and embryos: the Cryotop method. Theriogenology. 2007 Jan 1;67(1):73-80.
15. Agoritsas T, Merglen A, Shah ND, O’Donnell M, Guyatt GH. Adjusted Analyses in Studies Addressing Therapy and Harm: Users’ Guides to the Medical Literature. Jama. 2017 Feb 21;317(7):748-59.
16. Austin PC. An Introduction to Propensity Score Methods for Reducing the Effects of Confounding in Observational Studies. Multivariate behavioral research. 2011a May;46(3):399-424.
17. Austin PC. Optimal caliper widths for propensity-score matching when estimating differences in means and differences in proportions in observational studies. Pharmaceutical statistics. 2011b Mar-Apr;10(2):150-61.
18. Dobson SJA, Lao MT, Michael E, Varghese AC, Jayaprakasan K. Effect of transfer of a poor quality embryo along with a top quality embryo on the outcome during fresh and frozen in vitro fertilization cycles. Fertil Steril. 2018 Sep;110(4):655-60.
19. Veleva Z, Orava M, Nuojua-Huttunen S, Tapanainen JS, Martikainen H. Factors affecting the outcome of frozen-thawed embryo transfer. Human reproduction (Oxford, England). 2013 Sep;28(9):2425-31.
20. Ahlström A, Westin C, Wikland M, Hardarson T. Prediction of live birth in frozen-thawed single blastocyst transfer cycles by pre-freeze and post-thaw morphology. Human reproduction (Oxford, England). 2013 May;28(5):1199-209.
21. Wintner EM, Hershko-Klement A, Tzadikevitch K, Ghetler Y, Gonen O, Wintner O, et al. Does the transfer of a poor quality embryo together with a good quality embryo affect the In Vitro Fertilization (IVF) outcome? Journal of ovarian research. 2017 Jan 13;10(1):2.
22. Wei D, Liu JY, Sun Y, Shi Y, Zhang B, Liu JQ, et al. Frozen versus fresh single blastocyst transfer in ovulatory women: a multicentre, randomised controlled trial. Lancet (London, England). 2019 Mar 30;393(10178):1310-8.
23. El-Danasouri I, Sterzik K, Rinaldi L, Pacchiarotti A, DeSanto M, Selman H. Effect of transferring a morphologically impaired embryo with a good quality embryo on the pregnancy and implantation rates. European review for medical and pharmacological sciences. 2016;20(3):394-8.
24. Tannus S, Son WY, Dahan MH. Elective single blastocyst transfer in advanced maternal age. Journal of assisted reproduction and genetics. 2017 Jun;34(6):741-8.
25. Franasiak JM, Forman EJ, Hong KH, Werner MD, Upham KM, Treff NR, et al. The nature of aneuploidy with increasing age of the female partner: a review of 15,169 consecutive trophectoderm biopsies evaluated with comprehensive chromosomal screening. Fertil Steril. 2014 Mar;101(3):656-63.e1.
26. Capalbo A, Rienzi L, Cimadomo D, Maggiulli R, Elliott T, Wright G, et al. Correlation between standard blastocyst morphology, euploidy and implantation: an observational study in two centers involving 956 screened blastocysts. Human reproduction (Oxford, England). 2014 Jun;29(6):1173-81.
27. Cimadomo D, Soscia D, Vaiarelli A, Maggiulli R, Capalbo A, Ubaldi FM, et al. Looking past the appearance: a comprehensive description of the clinical contribution of poor-quality blastocysts to increase live birth rates during cycles with aneuploidy testing. Human reproduction (Oxford, England). 2019 Jul 8;34(7):1206-14.
28. McLernon DJ, Steyerberg EW, Te Velde ER, Lee AJ, Bhattacharya S. Predicting the chances of a live birth after one or more complete cycles of in vitro fertilisation: population based study of linked cycle data from 113 873 women. BMJ (Clinical research ed). 2016 Nov 16;355:i5735.
29. Kurian NK, Modi D. Extracellular vesicle mediated embryo-endometrial cross talk during implantation and in pregnancy. Journal of assisted reproduction and genetics. 2019 Feb;36(2):189-98.