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Frozen embryo transfer

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https://www.readbyqxmd.com/read/28211357/preimplantation-genetic-diagnosis-and-screening-by-array-comparative-genomic-hybridisation-experience-of-more-than-100-cases-in-a-single-centre
#1
J Fc Chow, W Sb Yeung, V Cy Lee, E Yl Lau, P C Ho, E Hy Ng
INTRODUCTION: Preimplantation genetic screening has been proposed to improve the in-vitro fertilisation outcome by screening for aneuploid embryos or blastocysts. This study aimed to report the outcome of 133 cycles of preimplantation genetic diagnosis and screening by array comparative genomic hybridisation. METHODS: This study of case series was conducted in a tertiary assisted reproductive centre in Hong Kong. Patients who underwent preimplantation genetic diagnosis for chromosomal abnormalities or preimplantation genetic screening between 1 April 2012 and 30 June 2015 were included...
February 17, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28210478/the-twin-epidemic-in-infertility-care-why-do-we-persist-in-transferring-too-many-embryos
#2
EDITORIAL
W Ombelet
The epidemic of iatrogenic multiple births as a result of infertility treatment are responsible for an unacceptable high incidence of maternal, perinatal and childhood morbidity and mortality. Healthcare costs due to infertility therapy are too high and this may lead to social and political concern. The introduction of single embryo transfer (SET) was a real breakthrough, but was only accepted in most European countries and Japan. The United States, Latin America and most developing countries still have high multiple pregnancy rates...
December 2016: Facts, Views & Vision in ObGyn
https://www.readbyqxmd.com/read/28191261/global-dna-methylation-levels-are-altered-by-modifiable-clinical-manipulations-in-assisted-reproductive-technologies
#3
Jayashri Ghosh, Christos Coutifaris, Carmen Sapienza, Monica Mainigi
BACKGROUND: We analyzed placental DNA methylation levels at repeated sequences (LINE1 elements) and all CCGG sites (the LUMA assay) to study the effect of modifiable clinical or laboratory procedures involved in in vitro fertilization. We included four potential modifiable factors: oxygen tension during embryo culture, fresh embryo transfer vs frozen embryo transfer, intracytoplasmic sperm injection (ICSI) vs conventional insemination or day 3 embryo transfer vs day 5 embryo transfer...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28187532/testicular-sperm-aspiration-tesa-for-infertile-couples-with-severe-or-complete-asthenozoospermia
#4
A H Al-Malki, K Alrabeeah, E Mondou, V Brochu-Lafontaine, S Phillips, A Zini
The aim of the study was to evaluate reproductive outcomes in a cohort of infertile couples with severe and complete asthenozoospermia undergoing TESA (testicular sperm aspiration) with ICSI. We conducted a retrospective study of 28 couples with complete or severe asthenozoospermia who underwent TESA between January 2010 and December 2015. We compared TESA-ICSI outcomes of these couples to ejaculate ICSI outcomes of 40 couples with severe asthenozoospermia treated during the same time period at our institution...
February 10, 2017: Andrology
https://www.readbyqxmd.com/read/28181120/comparison-of-three-superovulation-protocols-with-or-without-gnrh-treatment-at-the-time-of-artificial-insemination-on-ovarian-response-and-embryo-quality-in-thai-native-heifers
#5
Vibuntita Chankitisakul, Jakkhaphan Pitchayapipatkul, Phirawit Chuawongboon, Dumrongrak Rakwongrit, Denpong Sakhong, Wuttigrai Boonkum, Thevin Vongpralub
To optimize the superovulation protocol in Thai native cattle, the present research was designed to (1) compare three different protocols designed to induce superstimulation and (2) study the effect of gonadotropin-releasing hormone (GnRH) administration at insemination time (to induce ovulation) on ovarian follicular activities in terms of the number of large follicles, corpora lutea (CLs) and unovulated follicles, and the number and quality of ova/embryos recovered in Thai native heifers. Initially, the estrous cycles of animals (n = 36) at unknown stages were synchronized by two prostaglandin F2α (PGF2α) injections at an interval of 12 days...
February 8, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28162937/effect-of-progesterone-elevation-in-follicular-phase-of-ivf-cycles-on-the-endometrial-receptivity
#6
REVIEW
B Lawrenz, H M Fatemi
The premature rise of progesterone during the late follicular phase in stimulated IVF cycles is a frequent event, and emerging evidence shows that premature progesterone rise does negatively affect the outcome of assisted reproductive techniques. The effect of elevated peripheral progesterone levels in the late follicular phase seems to be on the endometrium and the window of implantation, which may lead to asynchrony between the endometrium and the developing embryo. In stimulated cycles, endometrial maturation is advanced on the day of oocyte retrieval, and patients with a progesterone level above 1...
January 24, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28139240/optimal-euploid-embryo-transfer-strategy-fresh-versus-frozen-after-preimplantation-genetic-screening-with-next-generation-sequencing-a-randomized-controlled-trial
#7
Alison Coates, Allen Kung, Emily Mounts, John Hesla, Brandon Bankowski, Elizabeth Barbieri, Baris Ata, Jacques Cohen, Santiago Munné
OBJECTIVE: To compare two commonly used protocols (fresh vs. vitrified) used to transfer euploid blastocysts after IVF with preimplantation genetic screening. DESIGN: Randomized controlled trial. SETTING: Private assisted reproduction center. PATIENT(S): A total of 179 patients undergoing IVF treatment using preimplantation genetic screening. INTERVENTION(S): Patients were randomized at the time of hCG administration to either a freeze-all cycle or a fresh day 6 ET during the stimulated cycle...
January 27, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28130435/cumulative-live-birth-rates-after-one-art-cycle-including-all-subsequent-frozen-thaw-cycles-in-1050-women-secondary-outcome-of-an-rct-comparing-gnrh-antagonist-and-gnrh-agonist-protocols
#8
M Toftager, J Bogstad, K Løssl, L Prætorius, A Zedeler, T Bryndorf, L Nilas, A Pinborg
STUDY QUESTION: Are cumulative live birth rates (CLBRs) similar in GnRH-antagonist and GnRH-agonist protocols for the first ART cycle including all subsequent frozen-thaw cycles from the same oocyte retrieval? SUMMARY ANSWER: The chances of at least one live birth following utilization of all fresh and frozen embryos after the first ART cycle are similar in GnRH-antagonist and GnRH-agonist protocols. WHAT IS KNOWN ALREADY: Reproductive outcomes of ART treatment are traditionally reported as pregnancies per cycle or per embryo transfer...
January 26, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28127436/sperm-quality-and-paternal-age-effect-on-blastocyst-formation-and-pregnancy-rates
#9
Aurélie Chapuis, Anna Gala, Alice Ferrières-Hoa, Tiffany Mullet, Sophie Bringer-Deutsch, Emmanuelle Vintejoux, Antoine Torre, Samir Hamamah
BACKGROUND: Several studies suggest a decrease in sperm quality in men in the last decades. Therefore, the aim of this work was to assess the influence of male factors (sperm quality and paternal age) on the outcomes of conventional in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI). METHODS: This retrospective study included all couples who underwent IVF or ICSI at Montpellier University Hospital, France, between 1 January 2010 and 31 December 2015...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28121989/reduced-ectopic-pregnancy-rate-on-day-5-embryo-transfer-compared-with-day-3-a-meta-analysis
#10
Bingqian Zhang, Linlin Cui, Rong Tang, Lingling Ding, Lei Yan, Zi-Jiang Chen
OBJECTIVE: To compare the risk of ectopic pregnancy (EP) after embryo transfer on day 3(D3-ET) and day 5(D5-ET). DESIGN: Meta-analysis. PATIENTS: Women with pregnancy resulting from in vitro undergoing in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI). RESULT(S): Twenty-two studies were identified through research conducted using the PubMed, Embase, and Cochrane databases and ClinicalTrials.gov...
2017: PloS One
https://www.readbyqxmd.com/read/28108841/increased-incidence-of-post-term-delivery-and-cesarean-section-after-frozen-thawed-embryo-transfer-during-a-hormone-replacement-cycle
#11
Kazuki Saito, Kenji Miyado, Kenji Yamatoya, Akira Kuwahara, Eisuke Inoue, Mami Miyado, Maki Fukami, Tomonori Ishikawa, Takakazu Saito, Toshiro Kubota, Hidekazu Saito
PURPOSE: This study aimed to clarify the risks of adverse pregnancy outcomes in patients who conceive singletons after frozen embryo transfer (FET) during a hormone replacement cycle and their offspring. METHODS: A retrospective cohort study was conducted in patients who conceived after FET, based on the Japanese-assisted reproductive technology registry for 2013. The perinatal outcomes in cases with live-born singletons achieved through natural ovulatory cycle FET (NC-FET) (n = 6287) or hormone replacement cycle FET (HRC-FET) (n = 10,235) were compared...
January 20, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28101111/a-randomized-trial-to-evaluate-the-effect-of-local-endometrial-injury-on-the-clinical-pregnancy-rate-of-frozen-embryo-transfer-cycles-in-patients-with-repeated-implantation-failure
#12
Ensieh Shahrokh-Tehraninejad, Minoo Dashti, Batool Hossein-Rashidi, Elham Azimi-Nekoo, Fedyeh Haghollahi, Vahid Kalantari
Objective: Repeated implantation failure (RIF) is a condition in which the embryos implantation decreases in the endometrium. So, our aim was to evaluate the effect of local endometrial injury on embryo transfer results. Materials and methods: In this simple randomized clinical trial (RCT), a total of 120 patients were selected. The participants were less than 40 years old, and they are in their minimum two cycles of vitro fertilization (IVF). Patients were divided randomly into two groups of LEI (Local endometrial injury) and a control group (n = 60 in each group)...
September 2016: Journal of Family & Reproductive Health
https://www.readbyqxmd.com/read/28089573/what-is-a-difficult-transfer-analysis-of-7-714-embryo-transfers-the-impact-of-maneuvers-during-embryo-transfers-on-pregnancy-rate-and-a-proposal-of-objective-assessment
#13
Alejandro Kava-Braverman, Francisca Martínez, Ignacio Rodríguez, Manuel Álvarez, Pedro N Barri, Buenaventura Coroleu
OBJECTIVE: To establish the relationship between the degree of difficulty of ET and pregnancy rate (PR), with a view to proposing an algorithm for the objective assessment of ET. DESIGN: Retrospective, observational study. SETTING: In vitro fertilization unit. PATIENT(S): Women undergoing assisted reproductive technology (ART) with ET after IVF/intracytoplasmic sperm injection, in whom fresh embryo transfer or frozen-thawed embryo transfer was performed...
January 12, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28069172/morphologic-grading-of-euploid-blastocysts-influences-implantation-and-ongoing-pregnancy-rates
#14
Mohamad Irani, David Reichman, Alex Robles, Alexis Melnick, Owen Davis, Nikica Zaninovic, Kangpu Xu, Zev Rosenwaks
OBJECTIVE: To determine whether blastocyst grading can predict pregnancy outcomes in the frozen-thawed embryo transfer (FET) of euploid blastocysts. DESIGN: Retrospective cohort study. SETTING: Academic medical center. PATIENT(S): Women who underwent FET of euploid embryo(s) between January 2013 and December 2015, with blastocysts were divided into four groups based on their morphologic grading before cryopreservation: excellent (≥3AA), good (3-6AB, 3-6BA, 1-2AA), average (3-6BB, 3-6AC, 3-6CA, 1-2AB, 1-2BA), and poor (1-6BC, 1-6CB, 1-6CC, 1-2BB)...
January 6, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28069012/systematic-review-of-worldwide-trends-in-assisted-reproductive-technology-2004-2013
#15
REVIEW
Vitaly A Kushnir, David H Barad, David F Albertini, Sarah K Darmon, Norbert Gleicher
BACKGROUND: Assisted Reproductive Technology (ART) has undergone considerable changes over the last decade, with consequences on ART outcomes in different regions of the world being unknown. METHODS: We conducted a systematic review of published national and regional ART registry data to assess how changes in clinical practice between 2004 and 2013 have impacted outcomes in Australia and New Zealand, Canada, Continental Europe, the United Kingdom (U.K.), Japan, Latin America, and the United States (U...
January 10, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28066833/the-role-of-g-csf-in-recurrent-implantation-failure-a-randomized-double-blind-placebo-control-trial
#16
Fatemeh Davari-Tanha, Ensieh Shahrokh Tehraninejad, Mohadese Ghazi, Zahra Shahraki
BACKGROUND: Recurrent implantation failure (RIF) is the absence of implantation after three consecutive In Vitro Fertilization (IVF) cycles with transferring at least four good quality embryos in a minimum of three fresh or frozen cycles in a woman under 40 years. The definition and management of RIF is under constant scrutiny. OBJECTIVE: To investigate the effects of Granulocyte colony stimulating factor (G-CSF) on RIF, pregnancy rate, abortion rate and implantation rates...
December 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28062550/what-is-the-optimal-means-of-preparing-the-endometrium-in-frozen-thawed-embryo-transfer-cycles-a-systematic-review-and-meta-analysis
#17
Eva R Groenewoud, Astrid E P Cantineau, Boudewijn J Kollen, Nick S Macklon, Ben J Cohlen
No abstract text is available yet for this article.
January 5, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28058611/clinical-predictors-of-failing-one-dose-of-methotrexate-for-ectopic-pregnancy-after-in-vitro-fertilization
#18
Paula C Brady, Stacey A Missmer, Leslie V Farland, Elizabeth S Ginsburg
PURPOSE: The aim of this study is to investigate the clinical predictors of failure of a single dose of methotrexate (MTX) for management of ectopic pregnancy after in vitro fertilization (IVF). METHODS: A retrospective cohort study was performed of women who conceived ectopic pregnancies following fresh or frozen IVF cycles at an academic infertility clinic between 2007 and 2014, and received intramuscular MTX (50 mg/m(2)). Successful single-dose MTX treatment was defined as a serum beta-human chorionic gonadotropin (hCG) decline ≥15% between days 4 and 7 post-treatment...
January 5, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28050963/live-births-after-polar-body-biopsy-and-frozen-thawed-cleavage-stage-embryo-transfer-case-report
#19
Fernando Guimarães, Matheus Roque, Marcello Valle, Alessandra Kostolias, Rodrigo A de Azevedo, Ciro D Martinhago, Marcos Sampaio, Selmo Geber
Pre-implantation genetic diagnosis (PGD) or screening (PGS) technology, has emerged and developed in the past few years, benefiting couples as it allows the selection and transfer of healthy embryos during IVF treatments. These techniques can be performed in oocytes (polar-body biopsy) or embryos (blastomere or trophectoderm biopsy). In this case report, we describe the first two live births to be published in Brazil after a polar-body (PB) biopsy. In case 1, a 42-year-old was submitted to PB biopsy with PGS due to advanced maternal age and poor ovarian reserve...
December 1, 2016: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28010150/repeated-doses-of-gnrh-antagonist-at-midcycle-in-artificial-frozen-embryo-transfer-cycles-may-not-affect-pregnancy-outcomes
#20
Katherine L Palmerola, Jennifer Y Hsu, Lisa C Grossman, Mark V Sauer, Roger A Lobo
No significant differences in outcomes have been found between protocols of endometrial preparation for frozen embryo transfer (FET), though gonadotropin releasing hormone (GnRH) antagonists may have detrimental effects on the endometrium. We conducted a retrospective cohort noninferiority study at a single academic center of women receiving multiple doses of mid-cycle GnRH antagonist (GAnt) to those receiving GnRH agonist (GAg) to determine if there are detrimental effects of GnRH antagonists. 1047 FET cycles were identified, detailed data was available in 840 cycles: 610 GAg and 230 GAnt cycles...
December 23, 2016: Gynecological Endocrinology
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