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Oocyte donation

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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
#1
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/28622634/type-of-gonadotropin-used-during-controlled-ovarian-stimulation-induces-differential-gene-expression-in-human-cumulus-cells-a-randomized-study
#2
María Cruz, Antonio Requena, David Agudo, Juan Antonio García-Velasco
BACKGROUND: The cumulus-oocyte complex plays a central role in the regulation of folliculogenesis where it is important for the maturation, reprogramming, and fertilization of oocytes. Consequently, cumulus cell gene expression profiling is being explored as a promising method for assessing oocyte competence in the near future. Through DNA microarray technology, we analyzed the potential differences in the gene expression profiles of cumulus cells from preovulatory follicles after controlled ovarian stimulation using different types of gonadotropins...
June 8, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28609806/what-do-infertile-women-think-about-oocyte-reception-oocyte-donation-and-child-adoption
#3
Juliana Straehl, Lúcia Alves da Silva Lara, Marcos Felipe Silva de Sá, Rosana Maria Reis, Ana Carolina Japur de Sá Rosa-E-Silva
Purpose The views of infertile couples regarding oocyte donation by third parties and adoption are unknown, as these may be interpreted as a final closure of the available options for conception. This study aimed to determine the acceptance of oocyte donation, oocyte reception, and child adoption of infertile women who submitted to assisted reproductive technology (ART) treatment Methods Sixty-nine women who were under treatment for infertility and submitted to ART procedures were included in this cross-sectional study...
June 13, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28600620/national-survey-on-use-of-time-lapse-imaging-systems-in-ivf-laboratories
#4
Andrey V Dolinko, L V Farland, D J Kaser, S A Missmer, C Racowsky
PURPOSE: Several time-lapse imaging (TLI) systems for non-invasive continuous monitoring of developing embryos are currently available. The present study explored the prevalence, means of acquisition, and clinical application of TLI systems in USA in vitro fertilization (IVF) laboratories. METHODS: An online cross-sectional survey of 294 USA IVF laboratory directors was conducted in February and March 2016. Those directing more than one laboratory were asked to complete the survey for their home program and for their smallest laboratory by number of IVF/intracytoplasmic sperm injection (ICSI) cycle starts...
June 10, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28595284/infertility-diagnosis-has-a-significant-impact-on-the-transcriptome-of-developing-blastocysts
#5
Blair R McCallie, Jason C Parks, Darren K Griffin, William B Schoolcraft, Mandy G Katz-Jaffe
STUDY QUESTION: Is the human blastocyst transcriptome associated with infertility diagnosis, specifically: polycystic ovaries (PCO), male factor (MF), and unexplained (UE)? SUMMARY ANSWER: The global blastocyst transcriptome was significantly altered in association with a PCO, MF, and UE infertility diagnosis. WHAT IS KNOWN ALREADY: Infertility diagnosis has an impact on the probability for a successful outcome following an IVF cycle. Limited information is known regarding the relationship between a specific infertility diagnosis and blastocyst transcription during pre-implantation development...
June 8, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28579405/human-embryo-research-in-belgium-an-overview
#6
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/28579040/autonomy-and-self-esteem-of-women-who-donate-to-an-oocyte-cryopreservation-bank-in-the-netherlands
#7
Marjolein R Bakker, Joyce Maas, Marrie H Bekker, Annelien L Bredenoord, Bart C Fauser, Annelies M Bos
Worldwide, oocyte donors donate voluntarily or receive varying amounts of money for donation. This raises ethical questions regarding the appropriateness of financial compensation, and the possibility of undue inducement and exploitation of oocyte donors. Are these donors capable of making an independent, well-considered decision? Regarding this matter, it is important to examine aspects such as autonomy-connectedness and self-esteem. In this cross-sectional study, demographic characteristics and donation motivations were assessed in 92 women who attended the University Medical Center (UMC) Utrecht as potential oocyte donors between June 2012 and July 2016...
May 17, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28575413/comprehensive-protocol-of-traceability-during-ivf-the-result-of-a-multicentre-failure-mode-and-effect-analysis
#8
L Rienzi, F Bariani, M Dalla Zorza, E Albani, F Benini, S Chamayou, M G Minasi, L Parmegiani, L Restelli, G Vizziello, A Nanni Costa
STUDY QUESTION: Can traceability of gametes and embryos be ensured during IVF? SUMMARY ANSWER: The use of a simple and comprehensive traceability system that includes the most susceptible phases during the IVF process minimizes the risk of mismatches. WHAT IS KNOWN ALREADY: Mismatches in IVF are very rare but unfortunately possible with dramatic consequences for both patients and health care professionals. Traceability is thus a fundamental aspect of the treatment...
May 31, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28571815/hypothesis-co-transfer-of-genuine-embryos-and-implantation-promoting-compounds-via-artificial-containers-improve-endometrium-receptivity
#9
Onder Celik, Mustafa Acet, Sudenaz Celik, Levent Sahin, Onder Koc, Nilufer Celik
As with other organs endometrial functions are altered with the advancing age. Age related decrease in reproductive functions leads to decline in the number of oocytes retrieved and the synthesis of endometrial receptivity molecules. Despite the significant improvement in assisted reproductive technologies we do not have so many options to enhance endometrial receptivity. Due to lack of drugs having endometrium receptivity enhancement properties, oocyte donation seems to be the only solution for women with implantation failure...
June 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28550713/state-of-the-art-on-oocyte-cryopreservation-in-female-cancer-patients-a-critical-review-of-the-literature
#10
REVIEW
Claudia Massarotti, Paola Scaruffi, Matteo Lambertini, Valentino Remorgida, Lucia Del Mastro, Paola Anserini
During the last decades, important advances in therapeutic options have led to increased survival rates in cancer patients; however, cancer treatments are associated with several potential adverse effects including infertility in those diagnosed during their reproductive years. A proper discussion about fertility preservation options before the use of therapies with potential gonadotoxicity (i.e. oncofertility counseling) is standard of care and should be offered to all patients of childbearing age. Temporary ovarian suppression with LH-RH analogs, oocyte and embryo cryopreservation are standard strategies for fertility preservation in female cancer patients...
June 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28549399/a-systematic-review-investigating-psychosocial-aspects-of-egg-sharing-in-the-united-kingdom-and-their-potential-effects-on-egg-donation-numbers
#11
Timothy Bracewell-Milnes, Srdjan Saso, Hossam Abdalla, Meen-Yau Thum
This review aims to provide an up-to-date knowledge of the psychosocial aspects of egg donation from the perspectives of the egg share donor and their recipient. It explores the motives, experiences and attitudes of egg sharers and their views towards donor anonymity and disclosure. Conclusions are made on how these findings can guide clinical practice and improve egg sharing numbers. A systematic search of peer-reviewed journals of four computerized databases was undertaken. Eleven studies were included in the review...
May 26, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28533904/-this-is-where-it-all-started-the-pivotal-role-of-plc%C3%AE-within-the-sophisticated-process-of-mammalian-reproduction-a-systemic-review
#12
Itai Gat, Raoul Orvieto
Mammalian reproduction is one of the most complex and fascinating biological phenomenon, which aims to transfer maternal and paternal genetic material to the next generation. At the end of oogenesis and spermatogenesis, both haploid gametes contain a single set of chromosomes ready to form the zygote, the first cell of the newly developing individual. The mature oocyte and spermatozoa remain in a quiescent state, during which the oocyte is characterized by nuclear and cytoplasmic arrest, while the spermatozoa necessitates further maturation within the epididymis and female reproductive track prior to egg fertilization...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28473127/long-term-breast-cancer-risk-following-ovarian-stimulation-in-young-egg-donors-a-call-for-follow-up-research-and-informed-consent
#13
Jennifer Schneider, Jennifer Lahl, Wendy Kramer
In the USA and other countries, oocyte donation is gaining increasing importance. Although sufficient data exist on procedure-associated short-term risks for oocyte donors, such as ovarian hyperstimulation syndrome, long-term follow-up studies of egg donors are lacking and their health risks are unknown. The lack of information may be misleadingly interpreted as lack of risk. Long-term hormone replacement therapy is recognized as a risk factor for breast cancer; the breast cancer risk of ovarian stimulation for egg donors is unknown but is a possibility...
May 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28473126/breast-cancer-risk-after-oocyte-donation-should-we-really-be-concerned
#14
EDITORIAL
Bart Cjm Fauser, Juan Garcia Velasco
No abstract text is available yet for this article.
May 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28444612/wbp2nl-pawp-mrna-and-protein-expression-in-sperm-cells-are-not-related-to-semen-parameters-fertilization-rate-or-reproductive-outcome
#15
T Freour, M Barragan, A Ferrer-Vaquer, A Rodríguez, Rita Vassena
PURPOSE: WBP2NL/PAWP, a protein found in the post-acrosomal region of mammalian spermatozoa, has been proposed as a sperm-borne oocyte-activating factor (SOAF) contributing to Ca(2+) release within the oocyte and subsequent fertilization and embryo development. However, its relevance as either a diagnostic or a prognostic marker of fertilization failure has been questioned in the recent literature. We analyzed WBP2NL/PAWP gene and protein expression level and localization in patients without previous intracytoplasmic sperm injection (ICSI) cycles in order to assess its association with both sperm characteristics and ability to fertilize...
June 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28443690/vitrified-warmed-blastocyst-transfer-on-the-5th-or-7th-day-of-progesterone-supplementation-in-an-artificial-cycle-a-randomised-controlled-trial
#16
A van de Vijver, P Drakopoulos, N P Polyzos, L Van Landuyt, S Mackens, S Santos-Ribeiro, V Vloeberghs, H Tournaye, C Blockeel
Prospective studies comparing different durations of progesterone supplementation before transfer of vitrified-warmed blastocysts in an artificial cycle are lacking. However, in oocyte donation programmes, the sporadic available evidence demonstrates considerable differences in clinical pregnancy rates according to the duration of progesterone administration. This randomised controlled trial (RCT), included 303 patients undergoing a frozen-thawed embryo transfer (FET) of one or two vitrified-warmed blastocyst(s) in an artificial cycle...
April 26, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28432827/parenting-stress-and-its-association-with-perceived-agreement-about-the-disclosure-decision-in-parents-following-donor-conception
#17
Anja J Gebhardt, Gunilla Sydsjö, Agneta Skoog Svanberg, Astrid Indekeu, Claudia Lampic
INTRODUCTION: For many donor-conceiving heterosexual parents, the process of deciding whether and what to tell children about their genetic origin is challenging. We hypothesized that incomplete couple agreement about disclosure could be associated with parenting stress. The aim of the study was to investigate: (1) parenting stress levels among heterosexual parents of young children following gamete donation and (2) whether parenting stress is related to perceived agreement about disclosure of the donor conception to the children...
April 22, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28428943/pathogenic-variant-in-nlrp7-19q13-42-associated-with-recurrent-gestational-trophoblastic-disease-data-from-early-embryo-development-observed-during-in-vitro-fertilization
#18
E Scott Sills, Alexandra J Obregon-Tito, Harry Gao, Thomas K McWilliams, Anthony T Gordon, Catharine A Adams, Rima Slim
OBJECTIVE: To describe in vitro development of human embryos derived from an individual with a homozygous pathogenic variant in NLRP7 (19q13.42) and recurrent hydatidiform mole (HM), an autosomal recessive condition thought to occur secondary to an oocyte defect. METHODS: A patient with five consecutive HM pregnancies was genomically evaluated via next generation sequencing followed by controlled ovarian hyperstimulation, in vitro fertilization (IVF) with intracytoplasmic sperm injection, embryo culture, and preimplantation genetic screening...
March 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28421498/chapter-14-establishing-an-oocyte-cryobank-network
#19
James Graham, Josh Lim, Michael Tucker
Improvements in oocyte cryopreservation has prompted wider acceptance of this technology leading to its use for several reasons. Notably, in addition to elective and medically driven reasons for oocyte cryostorage for fertility preservation, donor oocyte cryobanking is beginning to gain traction, potentially replacing fresh oocyte donation in assisted reproduction. Donor "egg banking," while not totally analogous to donor sperm banking, does provide strong benefits in terms of scheduling flexibility and improved clinical efficiencies, while providing a wider immediate inventory choice...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28390693/limitations-on-the-compensation-of-gamete-donors-a-public-opinion-survey
#20
Malinda S Lee, Leslie V Farland, Stacey A Missmer, Elizabeth S Ginsburg
OBJECTIVE: To determine public opinion on gamete donor compensation. DESIGN: Cross-sectional web-based survey. SETTING: Not applicable. PATIENT(S): A nationally representative sample of 1,427 people in the United States. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Support for the compensation of gamete donors. RESULTS: Of 1,427 respondents, 51 (4%) disagreed with use of IVF for any indication, and 232 (16%) believed that oocyte and/or sperm donation to be always unacceptable...
June 2017: Fertility and Sterility
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