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Frozen embryo transfer

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https://www.readbyqxmd.com/read/28647784/replacing-single-frozen-thawed-euploid-embryos-in-a-natural-cycle-in-ovulatory-women-may-increase-live-birth-rates-compared-to-medicated-cycles-in-anovulatory-women
#1
Alexis P Melnick, Robert Setton, Logan D Stone, Nigel Pereira, Kangpu Xu, Zev Rosenwaks, Steven D Spandorfer
PURPOSE: The goal of this study was to compare pregnancy outcomes between natural frozen embryo transfer (FET) cycles in ovulatory women and programmed FET cycles in anovulatory women after undergoing in vitro fertilization with preimplantation genetic screening (IVF-PGS). METHODS: This was a retrospective cohort study performed at an academic medical center. Patients undergoing single FET IVF-PGS cycles between October 2011 and December 2014 were included. Patients were stratified by type of endometrial replacement: programmed cycles with estrogen/progesterone replacement and natural cycles...
June 24, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28639180/initial-maternal-serum-human-chorionic-gonadotropin-levels-in-pregnancies-achieved-after-assisted-reproductive-technology-are-higher-after-preimplantation-genetic-screening-and-after-frozen-embryo-transfer-a-retrospective-cohort
#2
Elie Hobeika, Sonali Singh, Shaveta Malik, Eric S Knochenhauer, Michael L Traub
PURPOSE: Few published articles have compared initial hCG values across all different types of ART cycles, including cycles with fresh or frozen embryo transfer. No articles have compared initial hCG values in cycles utilizing preimplantation genetic screening (PGS). The purpose of this study is to compare initial hCG values after fresh embryo transfer, frozen embryo transfer, and after PGS. METHODS: This was a single-center retrospective cohort study at an academically affiliated private IVF center...
June 21, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28638367/gnrh-agonist-trigger-and-lh-activity-luteal-phase-support-versus-hcg-trigger-and-conventional-luteal-phase-support-in-fresh-embryo-transfer-ivf-icsi-cycles-a-systematic-prisma-review-and-meta-analysis
#3
REVIEW
Thor Haahr, Matheus Roque, Sandro C Esteves, Peter Humaidan
INTRODUCTION: The use of GnRH agonist (GnRHa) for final oocyte maturation trigger in oocyte donation and elective frozen embryo transfer cycles is well established due to lower ovarian hyperstimulation syndrome (OHSS) rates as compared to hCG trigger. A recent Cochrane meta-analysis concluded that GnRHa trigger was associated with reduced live birth rates (LBRs) in fresh autologous IVF cycles compared to hCG trigger. However, the evidence is not unequivocal, and recent trials have found encouraging reproductive outcomes among couples undergoing GnRHa trigger and individualized luteal LH activity support...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28633287/genetic-diseases-and-aneuploidies-can-be-detected-with-a-single-blastocyst-biopsy-a-successful-clinical-approach
#4
Maria Giulia Minasi, Francesco Fiorentino, Alessandra Ruberti, Anil Biricik, Elisabetta Cursio, Ettore Cotroneo, Maria Teresa Varricchio, Matteo Surdo, Francesca Spinella, Ermanno Greco
STUDY QUESTION: Can simultaneous detection of aneuploidies and genetic diseases or chromosomal aberrations in blastocysts reduce the chance of transferring embryos with low implantation potential, guaranteeing good clinical outcomes? SUMMARY ANSWER: The screening for chromosomal aneuploidies revealed that 50.6% of blastocysts diagnosed free of genetic disease or balanced, were aneuploid, therefore avoiding the transfer of blastocysts potentially resulting in implantation failures, miscarriages, or in some cases, in health affected live births...
June 12, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28632990/shortening-gametes-co-incubation-time-improves-live-birth-rate-for-couples-with-a-history-of-fragmented-embryos
#5
Anne Le Bras, Laetitia Hesters, Vanessa Gallot, Cathie Tallet, Gerard Tachdjian, Nelly Frydman
Short gamete co-incubation (SGCO) consists in decreasing the duration of contact between oocytes and sperm from the standard overnight insemination (SOI) toward 2 hours. However, the effectiveness of this technique to improve in vitro fertilization and embryo transfer (IVF-ET) outcomes remains controversial. Our study was designed to evaluate the efficiency of SGCO in a poor prognosis population with a history of fragmented embryos defined by the presence of at least 50% of the embryos with more than 25% of cytoplasmic fragments...
June 20, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28606454/high-oestradiol-concentration-after-ovarian-stimulation-is-associated-with-lower-maternal-serum-beta-hcg-concentration-and-neonatal-birth-weight
#6
Suying Liu, Yanping Kuang, Yu Wu, Yun Feng, Qifeng Lyu, Li Wang, Yijuan Sun, Xiaoxi Sun
In this retrospective study, the relationship between maternal serum oestradiol and progesterone levels after fresh embryo transfer or frozen embryo transfer (FET), and serum beta-HCG levels in early pregnancy and neonatal birth weight was examined. Included for analysis were 5643 conceived singletons: 2610 after FET and 3033 after fresh embryo transfer. Outcome measures included maternal serum oestradiol, progesterone, beta-HCG levels during the peri-implantation period, birth weight and small-for-gestational-age (SGA)...
May 22, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28602478/short-term-copper-intrauterine-device-placement-improves-the-implantation-and-pregnancy-rates-in-women-with-repeated-implantation-failure
#7
Xiaoyan Mao, Jie Zhang, Qiuju Chen, Yanping Kuang, Shaozhen Zhang
OBJECTIVE: To study if hysteroscopy and short-term copper intrauterine device placement (Cu-IUD) improves the pregnancy rates of women with repeated implantation failure (RIF) undergoing frozen-thawed embryo transfer (FET). DESIGN: Retrospective study. SETTING: Medical university hospital. PATIENT(S): Infertile women with at least two implantation failures with the use of at least one good-quality embryo. INTERVENTION(S): All patients received operative hysteroscopy in the follicular cycle, and if endometrial polyps, polypoid endometrium, or intrauterine adhesions were found they were removed...
June 8, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28602476/comparison-of-ectopic-pregnancy-risk-among-transfers-of-embryos-vitrified-on-day-3-day-5-and-day-6
#8
Tong Du, Hong Chen, Rong Fu, Qiuju Chen, Yun Wang, Ben W Mol, Yanping Kuang, Qifeng Lyu
OBJECTIVE: To compare ectopic pregnancy risk among transfers of embryos vitrified on day 3, day 5, and day 6. DESIGN: Retrospective cohort study. SETTING: Academic tertiary-care medical center. PATIENT(S): A total of 10,736 pregnancies after 23,730 frozen-thawed embryo transfer (FET) cycles of in vitro fertilization/intracytoplasmic sperm injection from March 2003 to May 2015. INTERVENTION(S): The ectopic pregnancy rate was compared among pregnancies resulting from transfers of embryos vitrified on day 3, day 5, and day 6...
June 8, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28600920/frozen-embryo-transfer-or-fresh-embryo-transfer-clinical-outcomes-depend-on-the-number-of-oocytes-retrieved
#9
Bing Xu, Ya-Qiong He, Yuan Wang, Yao Lu, Yan Hong, Yao Wang, Yun Sun
OBJECTIVE: To establish a safe and effective clinical transplantation strategy for determining when to prioritize frozen embryo transfers (FET) or fresh embryo transfers (ET) we conducted a retrospective analysis study, examining several key clinical outcomes. STUDY DESIGN: In a retrospective cohort study, 1423 patients (age<40) were categorized into four groups according to the number of oocytes retrieved (15-18, 19-21, 22-24 and  ≥25 oocytes). The clinical outcomes of 1423 in vitro fertilization (IVF) cycles (896 fresh ET and 527 FET) were reviewed for each group...
June 3, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28585131/predictive-value-of-initial-serum-human-chorionic-gonadotropin-levels-for-pregnancies-after-single-fresh-and-frozen-blastocyst-transfer
#10
Wei-E Zhao, Yu-Jie Li, Jian-Ping Ou, Peng Sun, Wen-Qiu Chen, Xiao-Yan Liang
As one of the earliest markers for predicting pregnancy outcomes, human chorionic gonadotropin (hCG) values have been inconclusive on reliability of the prediction after frozen and fresh embryo transfer (ET). In this retrospective study, patients with positive hCG (day 12 after transfer) were included to examine the hCG levels and their predictive value for pregnancy outcomes following 214 fresh and 1513 vitrified-warmed single-blastocyst transfer cycles. For patients who got clinical pregnancy, the mean initial hCG value was significantly higher after frozen cycles than fresh cycles, and the similar result was demonstrated for patients with live births (LB)...
June 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28583607/birth-of-healthy-calves-after-intra-follicular-transfer-ifot-of-slaughterhouse-derived-immature-bovine-oocytes
#11
Hoelker Michael, Kassens Ana, Salilew-Wondim Dessie, Sieme Harald, Wrenzycki Christine, Tesfaye Dawit, Neuhoff Christiane, Schellander Karl, Held-Hoelker Eva
To circumvent the negative impacts of in vitro culture on bovine embryos, we have recently established a new method, the so called intra-follicular oocyte transfer (IFOT), enabling in vivo fertilization and in vivo development of in vitro matured oocytes up to the blastocyst stage as well as to term. In this study, we raised the question whether immature bovine oocytes could also be transferred into a pre-ovulatory follicle to support in vivo maturation prior to subsequent in vivo fertilization, in vivo development as well as to term...
July 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28583140/live-birth-after-fresh-versus-frozen-single-blastocyst-transfer-frefro-blastocyst-study-protocol-for-a-randomized-controlled-trial
#12
Daimin Wei, Yun Sun, Jiayin Liu, Xiaoyan Liang, Yimin Zhu, Yuhua Shi, Zi-Jiang Chen
BACKGROUND: Multiple pregnancies are one of the major safety concerns of in vitro fertilization (IVF) due to the increased risk of maternal and neonatal complications. Single embryo transfer is the most effective way to reduce the risk of multiple pregnancies. Selection of the embryo and optimization of the implantation environment are crucial to retain the success rate when the number of transferred embryos is diminished. Fresh embryo transfer with supra-physiological levels of hormones has been suggested to have an adverse effect on implantation...
June 5, 2017: Trials
https://www.readbyqxmd.com/read/28580513/cumulative-live-birth-and-surplus-embryo-incidence-after-frozen-thaw-cycles-in-pcos-how-many-oocytes-do-we-need
#13
Yuan-Hui Chen, Qian Wang, Ya-Nan Zhang, Xiao Han, Dong-Han Li, Cui-Lian Zhang
PURPOSE: This study aimed to evaluate the cumulative live birth rate (CLBR) and surplus embryo rate of polycystic ovarian syndrome (PCOS) patients during in vitro fertilization and embryo transfer (IVF-ET) treatment. METHODS: In this retrospective cohort study, we analyzed 1142 PCOS patients who underwent first IVF in our institution between January 2011 and December 2014. All patients were categorized into five groups according to the number of oocytes retrieved...
June 3, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28579407/detailed-investigation-into-the-cytogenetic-constitution-and-pregnancy-outcome-of-replacing-mosaic-blastocysts-detected-with-the-use-of-high-resolution-next-generation-sequencing
#14
Santiago Munné, Joshua Blazek, Michael Large, Pedro A Martinez-Ortiz, Haley Nisson, Emmeline Liu, Nicoletta Tarozzi, Andrea Borini, Amie Becker, John Zhang, Susan Maxwell, James Grifo, Dhruti Babariya, Dagan Wells, Elpida Fragouli
OBJECTIVE: To determine the pregnancy outcome potential of mosaic embryos, detected by means of preimplantation genetic screening (PGS) with the use of next-generation sequencing (NGS). DESIGN: Retrospective study. SETTING: Genetics laboratories. PATIENT(S): PGS cycles during which either mosaic or euploid embryos were replaced. INTERVENTION(S): Blastocysts were biopsied and processed with the use of NGS, followed by frozen embryo transfer...
June 1, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28579405/human-embryo-research-in-belgium-an-overview
#15
Guido Pennings, Seppe Segers, Sophie Debrock, Björn Heindryckx, Velichka Kontozova-Deutsch, Usha Punjabi, Hilde Vande Velde, André van Steirteghem, Heidi Mertes
OBJECTIVE: To present an overview of the numbers and types of human embryos used in research projects in Belgium from 2007 to 2015. DESIGN: Analysis of all research proposals approved by the Federal Commission for Medical and Scientific Research on Embryos In Vitro. SETTING: Not applicable. PATIENT(S): Not applicable. MAIN OUTCOME MEASURE(S): Number of embryos used for research, number of embryos created for research, and areas of embryo research...
June 1, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28578436/gonadotropin-releasing-hormone-agonist-triggering-with-concomitant-administration-of-low-doses-of-human-chorionic-gonadotropin-or-a-freeze-all-strategy-in-high-responders
#16
Meric Karacan, Erkan Erdem, Akin Usta, Ayse Arvas, Ziya Cebi, Teksen Camlibel
To compare the live birth rates and moderate/severe ovarian hyperstimulation syndrome (OHSS) rates of 2 different approaches using gonadotropin-releasing hormone (GnRH) agonist triggering in high responder women. Methods: A retrospective cohort study was performed to evaluate intracytoplasmic sperm injection (ICSI) and embryo transfer (ET) outcomes in high responder women who underwent ovulation induction with a GnRH antagonist protocol between April 2011 and March 2015. In group 1 (n=74), GnRH agonist was used for ovulation triggering with the concomitant use of 1500 IU of urinary human chorionic gonadotropin (hCG) immediately after oocyte retrieval followed by fresh ET and standard luteal support...
June 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28560610/association-between-growth-dynamics-morphological-parameters-the-chromosomal-status-of-the-blastocysts-and-clinical-outcomes-in-ivf-pgs-cycles-with-single-embryo-transfer
#17
Oleksii O Barash, Kristen A Ivani, Susan P Willman, Evan M Rosenbluth, Deborah S Wachs, Mary D Hinckley, Sara Pittenger Reid, Louis N Weckstein
PURPOSE: The purpose of the present study is to examine interconnection between speed of embryo development, the genetic status of the blastocysts, and clinical outcomes in IVF preimplantation genetic screening (PGS) cycles with single embryo transfer (SET). METHODS: The retrospective comparative study has been performed between January 2013 and January 2016. Seven hundred thirty-seven cycles of IVF treatment with PGS, followed by 503 SETs, were included in the study...
May 30, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28558117/gonadotropin-releasing-hormone-agonist-triggering-and-a-freeze-all-approach-the-final-step-in-eliminating-ovarian-hyperstimulation-syndrome
#18
Marcus J Davenport, Beverley Vollenhoven, Alon J Talmor
Importance: In vitro fertilization (IVF) has evolved dramatically in recent decades; however, clinical practices have been slow to adopt these advancements, particularly regarding final oocyte maturation and the timing of embryo transfer. Concerns still exist over the ability of gonadotropin-releasing hormone (GnRH) agonists and elective embryo cryopreservation to reduce the risk of ovarian hyperstimulation syndrome (OHSS) without compromising pregnancy outcomes. Objective: This review investigates IVF outcomes associated with GnRH-agonist triggering and elective embryo cryopreservation...
May 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/28548200/live-birth-after-transfer-of-vitrified-warmed-embryo-derived-from-vitrified-warmed-oocyte-and-frozen-thawed-sperm-following-failed-icsi-case-report
#19
Zhihong Zhang, Jihong Zhu, Hongyang Zhang, Qi Xi, Dongfeng Geng, Shu Deng, Ruizhi Liu
Since the first successful pregnancy from a frozen human oocyte was reported, remarkable technological progress has been made in the area of cryopreservation of human oocytes. We report a successful delivery of two healthy babies after transfer of vitrified-warmed embryos derived from intracytoplasmic sperm injection (ICSI) with vitrified-warmed oocytes and frozen-thawed sperm. A female patient and her husband with severe oligoasthenspermia are reported. At the day of oocyte collection, very few inactive sperms were found in her husband semen...
March 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28540311/impacts-of-anti-dsdna-antibody-on-in-vitro-fertilization-embryo-transfer-and-frozen-thawed-embryo-transfer
#20
Jiao Fan, Yiping Zhong, Cuina Chen
Our purpose is to explore whether anti-dsDNA antibody, which was demonstrated to enter living cells and induced apoptosis, could adversely affect reproductive outcomes. A total of 259 women receiving the in vitro fertilization-embryo transfer (IVF) cycle were enrolled in this study, including 52 women with positive ANA and anti-dsDNA (ANA+/anti-dsDNA+ group), 86 women with positive ANA and negative anti-dsDNA (ANA+/anti-dsDNA- group), and 121 women with negative ANA and anti-dsDNA (ANA-/anti-dsDNA- group). 136 nonpregnant women among 259 patients in the IVF-ET cycle were enrolled in the hormone replacement therapy frozen-thawed embryo transfer (HRT-TET) cycle...
2017: Journal of Immunology Research
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