The effects of different endometrial preparation regimens on pregnancy outcomes in frozen-thawed embryo transfer cycles: a prospective randomized controlled study

References

• Trounson A, Mohr L. Human pregnancy following cryopreservation, thawing and transfer of an eight-cell embryo. Nature. 1983 Oct 20-26; 1983 Oct 20-26305(5936):1–7. doi: 10.1038/305707a0.
   Web of Science ®Google Scholar
• Wong KM, Mastenbroek S, Repping S. Cryopreservation of human embryos and its contribution to in vitro fertilization success rates. Fertil Steril. 2014; Jul102(1):19–26. doi: 10.1016/j.fertnstert.2014.05.027.
   PubMed Web of Science ®Google Scholar
• Kolibianakis EM, Zikopoulos K, Devroey P. Implantation potential and clinical impact of cryopreservation–a review. Placenta. 2003; Oct24 Suppl B(Suppl B):S27–S33. doi: 10.1016/s0143-4004(03)00133-4.
   PubMedGoogle Scholar
• Groenewoud ER, Cohlen BJ, Macklon NS. Programming the endometrium for deferred transfer of cryopreserved embryos: hormone replacement versus modified natural cycles. Fertil Steril. 2018; May109(5):768–774. doi: 10.1016/j.fertnstert.2018.02.135.
   PubMed Web of Science ®Google Scholar
• Tiitinen A, Halttunen M, Härkki P, et al. Elective single embryo transfer: the value of cryopreservation. Hum Reprod. 2001; Jun16(6):1140–1144. doi: 10.1093/humrep/16.6.1140.
   PubMed Web of Science ®Google Scholar
• Dor J, Rudak E, Davidson A, et al. Endocrine and biological factors influencing implantation of human embryos following cryopreservation. Gynecol Endocrinol. 1991; Sep5(3):203–211. doi: 10.3109/09513599109028442.
   PubMed Web of Science ®Google Scholar
• Ghobara T, Gelbaya TA, Ayeleke RO. Cycle regimens for frozen-thawed embryo transfer. Cochrane Database Syst Rev. 2017; Jul 57(7):Cd003414.
   PubMedGoogle Scholar
• Mackens S, Santos-Ribeiro S, van de Vijver A, et al. Frozen embryo transfer: a review on the optimal endometrial preparation and timing. Hum Reprod. 2017; Nov 132(11):2234–2242. doi: 10.1093/humrep/dex285.
   PubMed Web of Science ®Google Scholar
• Yarali H, Polat M, Mumusoglu S, et al. Preparation of endometrium for frozen embryo replacement cycles: a systematic review and meta-analysis. J Assist Reprod Genet. 2016; Oct33(10):1287–1304. doi: 10.1007/s10815-016-0787-0.
   PubMed Web of Science ®Google Scholar
• Sathanandan M, Macnamee MC, Rainsbury P, et al. Replacement of frozen-thawed embryos in artificial and natural cycles: a prospective semi-randomized study. Hum Reprod. 1991; May6(5):685–687. doi: 10.1093/oxfordjournals.humrep.a137407.
   PubMed Web of Science ®Google Scholar
• Levi Setti PE, Cirillo F, De Cesare R, et al. Seven years of vitrified blastocyst transfers: comparison of 3 preparation protocols at a single ART center. Front Endocrinol (Lausanne). 2020;11:346. doi: 10.3389/fendo.2020.00346.
   PubMed Web of Science ®Google Scholar
• Peeraer K, Couck I, Debrock S, et al. Frozen-thawed embryo transfer in a natural or mildly hormonally stimulated cycle in women with regular ovulatory cycles: a RCT. Hum Reprod. 2015; Nov30(11):2552–2562. doi: 10.1093/humrep/dev224.
   PubMed Web of Science ®Google Scholar
• Groenewoud ER, Cohlen BJ, Al-Oraiby A, et al. A randomized controlled, non-inferiority trial of modified natural versus artificial cycle for cryo-thawed embryo transfer. Hum Reprod. 2016; Jul31(7):1483–1492. doi: 10.1093/humrep/dew120.
   PubMed Web of Science ®Google Scholar
• Li C, He YC, Xu JJ, et al. Perinatal outcomes of neonates born from different endometrial preparation protocols after frozen embryo transfer: a retrospective cohort study. BMC Pregnancy Childbirth. 2021; Apr 2921(1):341. doi: 10.1186/s12884-021-03791-9.
   PubMed Web of Science ®Google Scholar
• Smitz J, Platteau P. Influence of human chorionic gonadotrophin during ovarian stimulation: an overview. Reprod Biol Endocrinol. 2020; Aug 618(1):80. doi: 10.1186/s12958-020-00639-3.
   PubMed Web of Science ®Google Scholar
• Pan Y, Li B, Wang Z, et al. Hormone replacement versus natural cycle protocols of endometrial preparation for frozen embryo transfer. Front Endocrinol (Lausanne). 2020;11:546532. doi: 10.3389/fendo.2020.546532.
   PubMed Web of Science ®Google Scholar
• Ma WG, Song H, Das SK, et al. Estrogen is a critical determinant that specifies the duration of the window of uterine receptivity for implantation. Proc Natl Acad Sci U S A. 2003; Mar 4100(5):2963–2968. doi: 10.1073/pnas.0530162100.
   PubMed Web of Science ®Google Scholar
• van der Linden M, Buckingham K, Farquhar C, et al. Luteal phase support for assisted reproduction cycles. Cochrane Database Syst Rev. 2015; Jul 72015(7):Cd009154.
   PubMedGoogle Scholar
• Mounce G, McVeigh E, Turner K, et al. Randomized, controlled pilot trial of natural versus hormone replacement therapy cycles in frozen embryo replacement in vitro fertilization. Fertil Steril. 2015; Oct104(4):915–920.e1. doi: 10.1016/j.fertnstert.2015.07.1131.
   PubMed Web of Science ®Google Scholar
• Lin J, Zhao J, Hao G, et al. Maternal and neonatal complications after natural vs. Hormone replacement therapy cycle regimen for frozen single blastocyst transfer. Front Med (Lausanne). 2020;7:338. doi: 10.3389/fmed.2020.00338.
   PubMed Web of Science ®Google Scholar
• Levron J, Yerushalmi GM, Brengauz M, et al. Comparison between two protocols for thawed embryo transfer: natural cycle versus exogenous hormone replacement. Gynecol Endocrinol. 2014; Jul30(7):494–497. doi: 10.3109/09513590.2014.900032.
   PubMed Web of Science ®Google Scholar
• Saito K, Kuwahara A, Ishikawa T, et al. Endometrial preparation methods for frozen-thawed embryo transfer are associated with altered risks of hypertensive disorders of pregnancy, placenta accreta, and gestational diabetes mellitus. Hum Reprod. 2019; Aug 134(8):1567–1575. doi: 10.1093/humrep/dez079.
   PubMed Web of Science ®Google Scholar
• Novak J, Danielson LA, Kerchner LJ, et al. Relaxin is essential for renal vasodilation during pregnancy in conscious rats. J Clin Invest. 2001; Jun107(11):1469–1475. doi: 10.1172/JCI11975.
   PubMed Web of Science ®Google Scholar
• Singh B, Reschke L, Segars J, et al. Frozen-thawed embryo transfer: the potential importance of the corpus luteum in preventing obstetrical complications. Fertil Steril. 2020; Feb113(2):252–257. doi: 10.1016/j.fertnstert.2019.12.007.
   PubMed Web of Science ®Google Scholar
• Hu KL, Zhang D, Li R. Endometrium preparation and perinatal outcomes in women undergoing single-blastocyst transfer in frozen cycles. Fertil Steril. 2021; Jun115(6):1487–1494. doi: 10.1016/j.fertnstert.2020.12.016.
   PubMed Web of Science ®Google Scholar
• Zhang J, Huang J, Liu H, et al. The impact of embryo quality on singleton birthweight in vitrified-thawed single blastocyst transfer cycles. Hum Reprod. 2020; Feb 2935(2):308–316. doi: 10.1093/humrep/dez287.
   PubMed Web of Science ®Google Scholar
• Deng K, Liang J, Mu Y, et al. Preterm births in China between 2012 and 2018: an observational study of more than 9 million women. Lancet Glob Health. 2021; Sep9(9):e1226–e1241. doi: 10.1016/S2214-109X(21)00298-9.
   PubMed Web of Science ®Google Scholar
• Cimadomo D, Capalbo A, Levi-Setti PE, et al. Associations of blastocyst features, trophectoderm biopsy and other laboratory practice with post-warming behavior and implantation. Hum Reprod. 2018; Nov 133(11):1992–2001. doi: 10.1093/humrep/dey291.
   PubMed Web of Science ®Google Scholar
• Tiegs AW, Sun L, Patounakis G, et al. Worth the wait? Day 7 blastocysts have lower euploidy rates but similar sustained implantation rates as day 5 and day 6 blastocysts. Hum Reprod. 2019; Sep 2934(9):1632–1639. doi: 10.1093/humrep/dez138.
   PubMed Web of Science ®Google Scholar
• Dickey RP, Olar TT, Curole DN, et al. Endometrial pattern and thickness associated with pregnancy outcome after assisted reproduction technologies. Hum Reprod. 1992; Mar7(3):418–421. doi: 10.1093/oxfordjournals.humrep.a137661.
   PubMed Web of Science ®Google Scholar
• Dickey RP, Olar TT, Taylor SN, et al. Relationship of biochemical pregnancy to pre-ovulatory endometrial thickness and pattern in patients undergoing ovulation induction. Hum Reprod. 1993; Feb8(2):327–330. doi: 10.1093/oxfordjournals.humrep.a138045.
   PubMed Web of Science ®Google Scholar
• Check JH, Nowroozi K, Choe J, et al. Influence of endometrial thickness and echo patterns on pregnancy rates during in vitro fertilization. Fertil Steril. 1991; Dec56(6):1173–1175. doi: 10.1016/s0015-0282(16)54736-0.
   PubMed Web of Science ®Google Scholar
• Check JH, Nowroozi K, Choe J, et al. The effect of endometrial thickness and echo pattern on in vitro fertilization outcome in donor oocyte-embryo transfer cycle. Fertil Steril. 1993; Jan59(1):72–75. doi: 10.1016/s0015-0282(16)55617-9.
   PubMed Web of Science ®Google Scholar
• Mahutte N, Hartman M, Meng L, et al. Optimal endometrial thickness in fresh and frozen-thaw in vitro fertilization cycles: an analysis of live birth rates from 96,000 autologous embryo transfers. Fertil Steril. 2022; Apr117(4):792–800. doi: 10.1016/j.fertnstert.2021.12.025.
   PubMed Web of Science ®Google Scholar
• Eleftheriadou A, Francis A, Wilcox M, et al. Frozen blastocyst embryo transfer: comparison of protocols and factors influencing outcome. J Clin Med. 2022; Jan 2911(3):737. doi: 10.3390/jcm11030737.
   PubMed Web of Science ®Google Scholar