Comparison between two protocols for thawed embryo transfer: Natural cycle versus exogenous hormone replacement

Gynecological Endocrinology

Volumn 30, Issue 7, 2014, Pages 494-497

  Levron, Jacob ^a,b   Yerushalmi, Gil M ^a,b   Brengauz, Masha ^a,b   Gat, Itai ^a,b   Katorza, Eldad ^a,b  

^a SHEBA MEDICAL CENTER   (Israel)

^b TEL AVIV UNIVERSITY   (Israel)

Author keywords

Embryo cryopreservation; Endometrial preparation; Endometrial thickness; Frozen thawed embryo transfer

Indexed keywords

ADULT; ARTICLE; CRYOPRESERVATION; DISEASE DURATION; EMBRYO TRANSFER; ENDOMETRIAL THICKNESS; FEMALE; FEMALE INFERTILITY; FERTILIZATION IN VITRO; HORMONE SUBSTITUTION; HUMAN; INTERMETHOD COMPARISON; MAJOR CLINICAL STUDY; NIDATION; OUTCOME ASSESSMENT; OVULATION; PREGNANCY RATE; PRIORITY JOURNAL; RETROSPECTIVE STUDY; TREATMENT OUTCOME; BLOOD; COMPARATIVE STUDY; ECHOGRAPHY; ENDOMETRIUM; INFERTILITY, FEMALE; OVARY FOLLICLE; PHYSIOLOGY; PREGNANCY; PROCEDURES; THERAPEUTIC ABORTION;

ESTRADIOL; PROGESTERONE;

ADULT; EMBRYO IMPLANTATION; EMBRYO TRANSFER; ENDOMETRIUM; ESTRADIOL; FEMALE; HUMANS; INFERTILITY, FEMALE; OVARIAN FOLLICLE; PREGNANCY; PREGNANCY REDUCTION, MULTIFETAL; PROGESTERONE; RETROSPECTIVE STUDIES;

EID: 84903179760     PISSN: 09513590     EISSN: 14730766     Source Type: Journal    
DOI: 10.3109/09513590.2014.900032     Document Type: Article

References (20)

1. Trounson A, Mohr L. Human pregnancy following cryopreservation, thawing and transfer of an eight-cell embryo. Nature 1983;305: 707-9.
2. Sifer C, Sellami A, Poncelet C, et al. Day 3 compared with day 2 cryopreservation does not affect embryo survival but improves the outcome of frozen-thawed embryo transfers. Fertil Steril 2006;86: 1537-40.
3. Ghobara T, Vandekerckhove P. Cycle regimens for frozenthawed embryo transfer. Cochrane Database Syst Rev 2008;(1):CD003414.
4. Gelbaya TA, Nardo LG, Hunter HR, et al. Cryopreserved-thawed embryo transfer in natural or down-regulated hormonally controlled cycles: a retrospective study. Fertil Steril 2006;85: 603-9.
5. Kyrou D, Fatemi HM, Blockeel C, et al. Transfer of cryopreserved - thawed embryos in hCG induced natural or clomiphene citrate cycles yields similar live birth rates in normo-ovulatory women. J Assist Reprod Genet 2010;27: 683-9.
6. Dal Prato L, Borini A, Cattoli M, et al. Endometrial preparation for frozen-thawed embryo transfer with or without pretreatment with gonadotropin-releasing hormone agonist. Fertil Steril 2002;77: 956-60.
7. Nardo LG, Nikas G, Makrigiannakis A. Molecules in blastocyst implantation. Role of matrix metalloproteinases, cytokines and growth factors. J Reprod Med 2003;48: 137-47.
8. al-Shawaf T, Yang D, al-Magid Y, et al. Ultrasonic monitoring during replacement of frozen/thawed embryos in natural and hormone replacement cycles. Hum Reprod 1993;8: 2068-74.
9. Loh SK, Leong NK. Factors affecting success in an embryo cryopreservation programme. Ann Acad Med, Singapore 1999;28: 260-5.
10. Kyrou D, Fatemi HM, Popovic-Todorovic B, et al. Vaginal progesterone supplementation has no effect on ongoing pregnancy rate in hCG-induced natural frozen-thawed embryo transfer cycles. Eur J Obstet Gynecol Reprod Biol 2010;150: 175-9.
11. Morozov V, Ruman J, Kenigsberg D, et al. Natural cycle cryo-thaw transfer may improve pregnancy outcome. J Assist Reprod Genet 2007;24: 119-23.
12. 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;100: 2963-8.
13. Rashidi BH, Sadeghi M, Jafarabadi M, Tehrani Nejad ES. Relationships between pregnancy rates following in vitro fertilization or intracytoplasmic sperm injection and endometrial thickness and pattern. Eur J Obstet Gynecol Reprod Biol 2005; 120: 179-84.
14. Hill MJ, Miller KA, Frattarelli JL. A GnRH agonist and exogenous hormone stimulation protocol has a higher live-birth rate than a natural endogenous hormone protocol for frozen-thawed blastocyststage embryo transfer cycles: an analysis of 1391 cycles. Fertil Steril 2010;93: 416-22.
15. Dain L, Bider D, Levron J, et al. Thin endometrium in donor oocyte recipients-Enigma or obstacle for implantation? Fertil Steril 2013;100: 1289-95.
16. Cattoli M, Ciotti PM, Seracchioli R, et al. A randomized prospective study on cryopreserved-thawed embryo transfer: natural versus hormone replacement cycles. Abstracts of the 10th Annual Meeting of the ESHRE; 1994 Vol. 356:139; Brussels.
17. Givens C, Ryan I, Chenette P, et al. Outcomes of natural cycles versus programmed cycles for 1390 frozen embryo transfers. Reprod Biomed Online 2009;19: 380-4.
18. Kawamura T, Motoyama H, Yanaihara A, et al. Clinical outcomes of two different endometrial preparation methods for cryopreservedthawed embryo transfer in patients with abnormal menstrual cycle. Reprod Med Biol 2007;6: 53-7.
19. Oehninger S, Mayer J, Muasher S. Impact of different clinical variables on pregnancy outcome following embryo cryopreservation. Mol Cell Endocrinol 2000;169: 73-7.
20. Loh SKE, Leong NKY. Factors affecting success in an embryo cryopreservation programme. Ann Acad Med 1999;28: 260-5.