Insert the cover of the event programme · E.R. Groenewoud, N.S. Macklon, B.J. Cohlen et all, Hum...
Transcript of Insert the cover of the event programme · E.R. Groenewoud, N.S. Macklon, B.J. Cohlen et all, Hum...
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Disclosure
Lyubov MykhaylshynIVF department“Alternativa” clinicLviv, Ukraine
I do not currently have, nor have I had in the 12 months preceding the activity, a vested interest or affiliation with any organization that may be perceived as a potential conflict of interest, or any affiliation with an organization whose philosophy may bias my presentation.
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EXCEMED WORKSHOP
Improving success in ART: how to define it and key strategies to get the best outcomes
Kiev, Ukraine - 21 September 2018
Are we ready for “freeze-all” strategy for all patients? If so, what is the best frozen embryo transfer protocol?
Lyubov Mykhaylyshyn
Ukraine
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Objectives
▪ The reasons of the rise in the number of frozen embryo transfers(FETs)
▪ Fresh versus FET : clinical and safety outcomes
▪ What is the optimal endometrial preparation protocol
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Proportion of FET cycles compared with fresh IVF, ICSI cycles in the US 2005 - 2014
Proportion of FETcycles compared with fresh IVF, ICSI cycles in the Netherlands 1996-2015
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The reasons of the rise in the number of FETs
• developments in laboratory techniques increased a number of anembryos available after each treatment cycle
• elective single embryo transfer
• replacement of slow freeze cryopreservation by vitrification
• preimplantation genetic testing
• introduction of ‘‘freeze-all’’ strategies to prevent many of thedetrimental aspects
• concerns for detrimental effect of controlled ovarian stimulation onendometrial receptivity in a fresh cycle
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Effect of COS on endometrial receptivityin a fresh cycle
Nucleolar channel systems, G. Zapantis
Subnuclear vacuole, P. Devroey
Expression of pinopodes, NikasProgesterone levels, E. Bosch
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Freeze-all vs conventional IVFLive birth rate
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Freeze-all vs conventional IVFMiscarriage rate
OHSS
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Freeze-all vs conventional IVFBirth weight of babies born
Pregnancy complications
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↓ risks of placenta previa, placentalabruption, LBW, VLBW, VPTB, SGA,and perinatal mortality with frozenembryos↑ LGA,PIH, postpartum hemorrhagewith frozen embryos
↓ risks PTB, LBW and SGA withfrozen embryos↑ LGA, PIH, placenta accreta withfrozen embryos
VOL. 101 NO. 1 / JANUARY 2014VOL. 109 NO. 2 / FEBRUARY 2018
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↓ preterm birth risks of SGA, LBW, APH, perinatal mortality with frozen
embryos
↓ risks of LBW, VLBW, perinatalmortality, ↑HBW, VHBW with frozen
embryos
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The risk ratio for LGA neonates in SP resulting from blastocyst- vscleavage-stage ET
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VOL. 104 NO. 6 / DECEMBER 2015
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↑LBR, risks of LGA, pre-eclampsia↓OHSS, PL with frozen embryos
↑ risks of LGA in SP, pre-eclampsia in TP with frozen embryos
August 11, 2016
VOL. 109 NO. 2 / FEBRUARY 2018
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VOL. 107 NO. 3 / MARCH 2017
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Freeze all for slower developing blastocysts
El-Toukhy et al, BJOG 2011; 118; 1551-1556
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Premature progesterone elevation in COS
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Types of endometrial preparation protocols for FET
NC-FET
mNC-FET
AC-FET OS-FET
tNC-FET withouta-GnRH
witha-GnRH
Gn
Cl
AI
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tNC-FET
▪ The definition of what constitutes an LH surge
-an increase of the level of LH beyond 180% of the mean level observed in the previous 24 h (Frydman et al., 1982)
-a concentration of 180% above the latest serum value available in that patient with a continued rise thereafter (Testart et al., 1981)
-level of 10 IU/l or more (Groenewoud et al., 2017)
▪LH surge detection
▪Necessity for luteal phase support in tNC-FET
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Luteal phase support in tNC-FET
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mNC-FET
• The effect of hCG on the endometrial quality
• Monitoring approach in patients undergoing mNC-FET
• The impact of elevated progesterone and LH level priorhCG triggering
• The necessity for luteal phase support
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What is your prefered monitoring approach in patients undergoing mNC-FET?
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E.R. Groenewoud, N.S. Macklon, B.J. Cohlen et all, Hum Reprod. 2016; 31: 1483-1492 ‘ANTARCTICA’ trial, NTR 1586
The impact of elevated progesterone levels prior to hCGtriggering in mNC-FET cycles
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LPS in tNC-FET, mNC-FET
S. Mackens, S. Santos-Ribeiro et all Human Reproduction, Vol.32, No.11 pp. 2234–2242, 2017
M. Montagut, S. Santos-Ribeiro et all Human Reproduction, Vol.31, No.12 pp. 2803–2810, 2016
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tNC-FET vs mNC-FET
Eva R. Groenewoud, 2013
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AC-FET, AC-FET+a-GnRH
• What type of estrogen administration route?
• What is the minimal and maximum duration ofestrogen supplementation in follicular phase?
• What is the incidence of premature ovulation in AC-FET?
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What is the incidence of ovulation in AC without a-GnRH?
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The cost-efficiency analysis
Protocol
Cost, € p
mNC-FET 617,50
0,54
AC-FET 625,73
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AC vs OS with Gn or AI: pooled results of all studies
Hakan Yarali, Mehtap Polat et all. J Assist Reprod Genet (2016) 33:1287–1304
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Take-home message
• Freeze all is not yet for all patients
• Freeze all for: patients with a risk of OHSS, PGT, RIF ?(window ofimplantation);
• FET results in lower risks of preterm delivery, LBW, SGA andhigher risk of a LGA, hypertensive disoders, high birth weight
• It is not possible to recommend one method of endometriumpreparation over another now
• Routine use of luteal phase support in tNC-FET, mNC-FET hasnot been shown to be advantageous
• Minimal duration of both estrogen and progesteronesupplementation need further clarification
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One size does not fit all
Thank you!
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