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Frozen embryo transfer

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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
#1
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
#2
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
https://www.readbyqxmd.com/read/28527625/cosmetic-micromanipulation-of-vitrified-warmed-cleavage-stage-embryos-does-not-improve-art-outcomes-an-ultrastructural-study-of-fragments
#3
Somayyeh Safari, Mohammad Ali Khalili, Zeinab Barekati, Iman Halvaei, Morteza Anvari, Stefania A Nottola
The aim was to study the ultrastructure of cytoplasmic fragments along with the effect of cosmetic micromanipulation (CM) on the morphology and development of vitrified-warmed embryos as well as assisted reproductive technology (ART) outcomes. A total of 96 frozen embryo transfer (FET) cycles were included in this prospective randomized study. They were divided into three groups of CM (n=32), sham (n=32) and control (n=32). In the CM group, the vitrified- warmed embryos were subjected to fragments and coarse granules removal (cosmetic micromanipulation) after laser assisted zona hatching (LAH); sham group subjected only to LAH and no intervention was taken for the control group...
May 17, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/28506949/frozen-embryo-transfer-prevents-the-detrimental-effect-of-high-estrogen-on-endometrium-receptivity
#4
Aynur Adeviye Erşahin, Mustafa Acet, Suat Süphan Erşahin, Nur Dokuzeylül Güngör
OBJECTIVE: To investigate whether serum levels of estradiol affect reproductive outcomes of normoresponder women undergoing fresh embryo transfer (ET) versus frozen-thawed ET (FET). MATERIAL AND METHODS: Two hundred fifty-five normoresponder women underwent fresh ET in their first or second in vitro fertilization cycle. Ninety-two women with negative pregnacy test results underwent FET. Clinical and ongoing pregnancy rates, implantation, and live birth rates of women undergoing fresh ET versus FET were compared...
March 15, 2017: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/28501869/intramuscular-versus-vaginal-progesterone-administration-in-medicated-frozen-embryo-transfer-cycles-a-randomized-clinical-trial-assessing-sub-endometrial-contractions
#5
Anat Hershko Klement, Nivin Samara, Amir Weintraub, Frederic Mitri, Yaakov Bentov, Paul Chang, Dan Nayot, Robert F Casper
OBJECTIVE: The study aimed to assess whether sub-endometrial contractility is reduced by the use of intramuscular (IM) progesterone. DESIGN: This is a randomized clinical trial. Patients assigned to a medicated day 5 frozen embryo transfer (FET) were randomly allocated to "vaginal progesterone" or "IM progesterone": patients randomized to the vaginal arm were treated with 200 mg micronized progesterone 3 times daily while patients randomized into the IM progesterone arm were treated with a single daily injection of 50 mg progesterone in oil...
May 13, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28501865/fresh-and-frozen-thawed-embryo-transfer-compared-to-natural-conception-differences-in-perinatal-outcome
#6
Suzanne Spijkers, Jan Willem Lens, Roel Schats, Cornelis B Lambalk
BACKGROUND/AIM: To compare the pregnancy outcome of singletons conceived after transfer of cryopreserved and thawed embryos (frozen embryo transfer [FET]) to singletons conceived after fresh embryo transfer (fresh ET) and natural conceived singletons. METHODS: Using a retrospective data analysis on a study population consisting of 1,261 singletons born after FET and 2,519 singletons born after fresh ET between 2006 and 2015. The control group consisted of singletons born after natural conception...
May 13, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28501428/management-of-ovarian-stimulation-for-ivf-narrative-review-of-evidence-provided-for-world-health-organization-guidance
#7
REVIEW
Cindy Farquhar, Jane Marjoribanks, Julie Brown, Bart C J M Fauser, Anne Lethaby, Selma Mourad, Robert Rebar, Marian Showell, Sheryl van der Poel
In this paper, a review of evidence provided to the World Health Organization (WHO) guideline development, who prepare global guidance on the management of ovarian stimulation for women undergoing IVF, is presented. The purpose of ovarian stimulation is to facilitate retrieval of multiple oocytes during a single IVF cycle. Availability of multiple oocytes compensates for inefficiencies in subsequent stages of the cycle, which include oocyte maturation, IVF, embryo culture, embryo transfer, and implantation...
April 26, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28500451/pregnancy-rates-for-single-embryo-transfer-set-of-day-5-and-day-6-blastocysts-after-cryopreservation-by-vitrification-and-slow-freeze
#8
Leah Kaye, Erica Anspach Will, Alison Bartolucci, John Nulsen, Claudio Benadiva, Lawrence Engmann
PURPOSE: The purpose of this study was to compare clinical and ongoing pregnancy rates in cycles with single embryo transfer (SET) of blastocysts cryopreserved on day 5 or day 6. Our aim was to determine whether day 6 blastocysts perform adequately to recommend SET. METHODS: Retrospective cohort study including 468 transfer cycles for 392 women younger than age 38 undergoing SET at a university-affiliated IVF clinic in the USA. A total of 261 day 5 blastocysts and 207 day 6 blastocysts for frozen-thawed SET between 2010 and 2016 were analyzed...
May 12, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28496018/effects-of-heat-stress-on-bovine-preimplantation-embryos-produced-in-vitro
#9
Miki Sakatani
Summer heat stress decreases the pregnancy rate in cattle and has been thought to be associated with the early embryonic death caused by the elevation of maternal body temperature. In vitro cultures have been widely used for the evaluation of effects of heat stress on oocytes, fertilization, preimplantation, and embryonic development. Susceptibility to heat stress is present in developmental stages from oocytes to cleavage-stage (before embryonic gene activation, EGA) embryos, leading to a consequent decrease in developmental competence...
May 12, 2017: Journal of Reproduction and Development
https://www.readbyqxmd.com/read/28479761/immediate-ureterovaginal-fistula-following-oocyte-retrieval-a-case-and-systematic-review-of-the-literature
#10
REVIEW
Elysia Sophie Spencer, Heather S Hoff, Anne Z Steiner, Robert Matthew Coward
The aim of this study is to report a case of acute ureterovaginal fistula (UVF) formation with immediate symptomatic presentation after transvaginal ultrasound-guided oocyte retrieval (TVOR) for in vitro fertilization (IVF) and to perform a systematic literature review of ureteral injuries during TVOR. A 33-year-old woman with a history of anovulatory infertility presented with severe abdominal pain and vaginal leakage immediately following TVOR for IVF. We systematically reviewed the current literature regarding ureteral injury resulting from TVOR and present a case of timely identification and management of a UVF followed by a successful pregnancy...
April 2017: Urology Annals
https://www.readbyqxmd.com/read/28479754/effect-of-body-mass-index-on-the-outcome-of-in-vitro-fertilization-intracytoplasmic-sperm-injection-in-women
#11
Manish Banker, Dipesh Sorathiya, Sandeep Shah
BACKGROUND: Obesity, a known epidemic, is a leading cause of various reproductive disorders. Association of body mass index (BMI) with pregnancy outcomes, either ovarian or endometrial, is controversial and least elucidated. AIM: This study aimed to analyze the effect of BMI on in-vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) outcome in women using self-oocytes, embryos prepared from donor oocytes (DE), or vitrified/frozen embryos (VE) obtained from both the SE and DE groups...
January 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28472983/comparative-neonatal-outcomes-in-singleton-births-from-blastocyst-transfers-or-cleavage-stage-embryo-transfers-a-systematic-review-and-meta-analysis
#12
REVIEW
Xingling Wang, Mingze Du, Yichun Guan, Bijun Wang, Junwei Zhang, Zihua Liu
BACKGROUND: Comparative neonatal outcomes with respect to singleton births from blastocyst transfers or cleavage-state embryo transfers are controversial with respect to which method is superior. Many studies have yielded contradictory results. We performed a systematic review and meta-analysis for the purpose of comparing neonatal outcomes in single births following IVF/ICSI. METHODS: We searched the Medline, Embase and Cochrane Central Register of Clinical Trials (CCTR) databases until October 2016...
May 4, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28472321/high-fsh-dosing-is-associated-with-reduced-live-birth-rate-in-fresh-but-not-subsequent-frozen-embryo-transfers
#13
Erika M Munch, Amy E Sparks, M Bridget Zimmerman, Bradley J Van Voorhis, Eyup Hakan Duran
STUDY QUESTION: Do live birth rates (LBRs) differ between fresh embryo transfer (fresh ET) cycles and their subsequent paired frozen ET (FET) cycles, when comparing cycles based on the total FSH dose used during the fresh cycle? SUMMARY ANSWER: When compared to the paired frozen embryo transfer cycles, the LBR in the fresh cycle of the highest total FSH dose group (>2500 IU) was reduced by 38%. WHAT IS KNOWN ALREADY: There may be a negative association with high gonadotropin doses and LBR after fresh ET...
May 3, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28467767/impact-of-endometrial-preparation-protocols-for-frozen-embryo-transfer-on-live-birth-rates
#14
Maria Cerrillo, Leyre Herrero, Alfredo Guillén, Mercedes Mayoral, Juan Antonio García-Velasco
BACKGROUND: It has been reported that a natural cycle (NC) is similar to or even better than hormone replacement therapy (HRT) in patients with regular cycles who undergo frozen embryo transfer (FET). Hundreds of FETs are managed yearly in our clinic. Scheduling these cycles is critical in a busy unit like ours. This is why we have to prove if a NC really shows a better outcome than other endometrium preparation protocols. METHODS: Hence we carried out a prospective study between June 2011 and June 2012, which included 530 patients (570 FET cycles) randomly allocated to two study groups: Group 1 (n=280 cycles), artificial cycle (HRT); or group 2 (n=290 cycles), natural cycle...
April 28, 2017: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/28462399/can-letrozole-plus-hmg-protocol-improve-pregnancy-outcomes-in-frozen-thawed-embryo-transfer-an-rct
#15
Ashraf Aleyasin, Marzieh Aghahosseini, Leili Safdarian, Maryam Noorzadeh, Parvin Fallahi, Zahra Rezaeian, Sedighe Hoseinimosa
BACKGROUND: There are different methods in endometrial preparation for frozen-thawed embryo transfer (FET). OBJECTIVE: The purpose of this study was to compare the live birth rate in the artificial FET protocol (estradiol/ progesterone with GnRH-agonist) with stimulated cycle FET protocol (letrozole plus HMG). MATERIALS AND METHODS: This randomized clinical trial included 100 women (18-42 years) randomly assigned to two groups based on Bernoulli distribution...
February 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28460276/cost-effectiveness-of-single-versus-double-embryo-transfer-in-ivf-in-relation-to-female-age
#16
Laura L van Loendersloot, Lobke M Moolenaar, Madelon van Wely, Sjoerd Repping, Patrick M Bossuyt, Peter G A Hompes, Fulco van der Veen, Ben Willem J Mol
OBJECTIVE: To evaluate the cost-effectiveness of single embryo transfer followed by an additional frozen-thawed single embryo transfer, if more embryos are available, as compared to double embryo transfer in relation to female age. STUDY DESIGN: We used a decision tree model to evaluate the costs from a healthcare provider perspective and the pregnancy rates of two embryo transfer policies: one fresh single embryo transfer followed by an additional frozen-thawed single embryo transfer, if more embryos are available (strategy I), and double embryo transfer (strategy II)...
April 17, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28457554/comparison-between-an-exclusive-in-vitro-produced-embryo-transfer-system-and-artificial-insemination-for-genetic-technical-and-financial-herd-performance
#17
K Kaniyamattam, J Block, P J Hansen, A De Vries
The objective of this study was to implement an in vitro produced embryo transfer (IVP-ET) system in an existing stochastic dynamic dairy simulation model with multitrait genetics to evaluate the genetic, technical, and financial performance of a dairy herd implementing an exclusive IVP-ET or artificial insemination (AI) system. In the AI system, sexed semen was used on the genetically best heifers only. In the IVP-ET system, all of the animals in the herd were impregnated with female sexed embryos created through in vitro fertilization of oocytes collected from animals of superior genetics for different traits of interest...
April 27, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28455751/national-trends-and-outcomes-of-autologous-in-vitro-fertilization-cycles-among-women-ages-40-years-and-older
#18
Heather Hipp, Sara Crawford, Jennifer F Kawwass, Sheree L Boulet, David A Grainger, Dmitry M Kissin, Denise Jamieson
PURPOSE: The purpose of the study was to describe trends in and investigate variables associated with clinical pregnancy and live birth in autologous in vitro fertilization (IVF) cycles among women ≥40 years. METHODS: We used autologous IVF cycle data from the National ART Surveillance System (NASS) for women ≥40 years at cycle start. We assessed trends in fresh and frozen cycles (n = 371,536) from 1996 to 2013. We reported perinatal outcomes and determined variables associated with clinical pregnancy and live birth in fresh cycles between 2007 and 2013...
April 28, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28455581/frozen-thawed-blastocyst-transfer-in-natural-cycle-feasibility-in-everyday-clinical-practice
#19
Lucia Cardellicchio, Marco Reschini, Alessio Paffoni, Cristina Guarneri, Liliana Restelli, Edgardo Somigliana, Walter Vegetti
PURPOSE: Transfer of frozen-thawed embryos in natural cycle is gaining consensus but evidence on this approach is scanty. The aim of this study is reporting on the feasibility of this type of policy in everyday clinical practice. METHODS: We retrospectively selected all women undergoing the procedure between July 2013 and December 2014. During the study period, women were systematically scheduled for natural cycle if they referred regular menstrual cycles. Hormone replacement therapy (HRT) was conversely prescribed if the woman had irregular menstrual cycles or if the monitoring of the natural cycle failed...
April 28, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28444613/no-difference-in-congenital-anomalies-prevalence-irrespective-of-insemination-methods-and-freezing-procedure-cohort-study-over-fourteen-years-of-an-art-population-in-the-south-of-france
#20
Any Beltran Anzola, Vanessa Pauly, Debbie Montjean, Line Meddeb, Cendrine Geoffroy-Siraudin, Roland Sambuc, Pierre Boyer, Marie-José Gervoise-Boyer
PURPOSE: A retrospective cohort study was conducted to evaluate and compare the prevalence of congenital anomalies in babies and fetuses conceived after four procedures of assisted reproduction technologies (ART). METHODS: The prevalence of congenital anomalies was compared retrospectively between 2750 babies and fetuses conceived between 2001 and 2014 in vitro fertilization with standard insemination (IVF), IVF with intracytoplasmic sperm injection (ICSI), IVF with frozen embryo transfer (FET-IVF), and ICSI with frozen embryo transfer (FET-ICSI)...
March 23, 2017: Journal of Assisted Reproduction and Genetics
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