Icsi 92
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Icsi 92
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Author : Peter A. B. Ng
language : en
Publisher:
Release Date : 1992
Icsi 92 written by Peter A. B. Ng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Computer integrated manufacturing systems categories.
Intracytoplasmic Sperm Injection Icsi Clinical Considerations Outcomes And Potential Health Effects
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Author : Murid Javed
language : en
Publisher: Nova Science Publishers
Release Date : 2021
Intracytoplasmic Sperm Injection Icsi Clinical Considerations Outcomes And Potential Health Effects written by Murid Javed and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Medical categories.
This book provides comprehensive information on Intracytoplasmic Sperm Injection (ICSI), its clinical considerations, outcomes and potential health effects. Male and female infertility is increasing all over the world. The basic techniques of assisted reproduction like ovulation control and intrauterine insemination are ineffective if the sperm quality or number is inadequate. The advanced fertilization techniques are in-vitro fertilization (IVF) and ICSI. In 15% cases of infertility, IVF results in total failed fertilization; therefore, ICSI must be used. Some clinics exclusively use ICSI for all infertility patients due to its reliability of fertilization outcome or to avoid total fertilization failure.ICSI was first used in humans in 1992. Since then, tremendous advances have been made in assisted reproductive technology. ICSI has enabled even those men who have rare sperm in their testes to father a biological child. If no sperm are observed in the ejaculate, in almost all cases, they can be recovered from the testicles. Such retrieved sperm can only be used by ICSI. Therefore, its understanding is essential not only for medical staff but also for patients suffering from infertility.This book is highly recommended for patients suffering from infertility or currently undergoing infertility treatment. It explains the factors affecting ICSI success rate. In ICSI, the embryologist picks a sperm for injection to fertilize oocytes whereas in intrauterine insemination and IVF, one sperm penetrates naturally. This manual selection of sperm has raised concerns especially in those patients suffering from severe male factor infertility. The nature of sperm defects varies and could be congenital, acquired or genetic. Children born through ICSI are, therefore, considered at higher risk of carrying the defect. Many investigations have been carried out to compare incidence of the defects between children conceived naturally and conceived through ICSI. Additional technologies have been developed to ensure the birth of a normal child. These include pre-implantation genetic testing and non-invasive prenatal testing. This book addresses these concerns and explains the health effects on children born through ICSI.This book is very useful for medical students, andrologists, embryologists, nurses or anyone else interested in learning basic or advanced knowledge of assisted reproductive technology, especially ICSI. The authors of the chapters of this book are highly experienced and from different parts of the world. Many of them are directing very busy ART laboratories at leading infertility clinics in the United States of America, Canada and the Middle East.
Manual Of Sperm Retrieval And Preparation In Human Assisted Reproduction
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Author : Ashok Agarwal
language : en
Publisher: Cambridge University Press
Release Date : 2021-06-10
Manual Of Sperm Retrieval And Preparation In Human Assisted Reproduction written by Ashok Agarwal and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-10 with Medical categories.
A complete guide to sperm retrieval methods performed for men with azoospermia, aimed at andrologists and male fertility specialists.
A Clinician S Guide To Sperm Dna And Chromatin Damage
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Author : Armand Zini
language : en
Publisher: Springer
Release Date : 2018-03-05
A Clinician S Guide To Sperm Dna And Chromatin Damage written by Armand Zini and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-05 with Health & Fitness categories.
This comprehensive, up-to-date text, which brings together the key practical elements of the rapidly evolving field of sperm DNA and chromatin abnormalities, is divided thematically into five main sections. Part I discusses human sperm chromatin structure and nuclear architecture, while part II presents laboratory evaluation of sperm DNA damage, including SCSA, SCD, TUNEL and Comet assays, and cytochemical tests. Biological and clinical factors in the etiology of sperm DNA damage are discussed in part III, including oxidative stress, abortive apoptosis, cancer, and environmental and lifestyle factors. Part IV presents clinical studies on the utility of sperm DNA damage tests, both with natural and ART-assisted pregnancies, and debates the clinical utility of such tests. Finally, part V discusses current treatment options, such as antioxidant therapy, varicocelectomy, advanced sperm processing techniques and the use of testicular sperm. We are now beginning to better understand the unique organization of the sperm chromatin, as well as the nature and etiology of sperm DNA damage. Written and edited by worldwide experts in andrology, A Clinician's Guide to Sperm DNA and Chromatin Damage is an excellent resource for reproductive medicine and REI specialists, urologists, reproductive biologists and any professional working with the infertile male.
Comparison Of Two Sperm Processing Techniques For Icsi Sperm Swim Up And Discontinuous Density Gradient Centrifugation
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Author : Nerea Ruiz
language : en
Publisher:
Release Date : 2017
Comparison Of Two Sperm Processing Techniques For Icsi Sperm Swim Up And Discontinuous Density Gradient Centrifugation written by Nerea Ruiz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Comparison of two sperm processing techniques for ICSI: sperm swim-up and discontinuous density gradient centrifugationSTUDY QUESTION:Does discontinuous density gradient centrifugation sperm preparation improve ICSI outcomes when compared to swim-up? SUMMARY ANSWER:No advantage could be found for discontinuous density gradient centrifugation respect swim-up in terms of fertilization, pregnancy and implantation rate when ICSI technique was performed.WHAT IS KNOWN ALREADY?Usually sperm capacitation in assisted human reproduction is performed in IVF laboratories using two specific techniques trying to imitate the in-vivo female genital track capacitation. The method is selected according to the sperm quality sample and the final ART procedure. The effectiveness of one sperm preparation procedure over another is still a controversial as many different procedures have been compared in heterogeneous conditions. The elected technique will be selected considering results laboratory management implications.STUDY DESIGN, SIZE, DURATION: This is a retrospective study, of 357 semen samples capacitated for ICSI procedure at the Human Reproduction Unit of Hospital Universitario 12 de Octubre, Madrid, Spain, in a public IVF programme in 2015-2016 period..PARTICIPANTS/MATERIALS, SETTING, METHODSThe capacitation technique divided our study in two groups indistinctly, 170 samples were processed using swim-up and 187 with discontinuous density gradient (Nidacon Internacional, Flu00f6jelbergsgatan 16 B 431 37 Mu00f6indal, Sweden. Seminal parameters were analyzed before and after processing. MAIN RESULTS AND THE ROLE OF CHOICE:Improvements of the concentration of motile sperm were observed with both used techniques. Discontinuous density gradient centrifugation improved concentration recovery rate reaching statistically higher levels than swim-up procedure (13,51 x 106/ ml vs 8,16 x 106/ ml) (p u2264 0,01).This marked difference respecting the concentration sperm recovery, doesn't affect other cycle variables analyzed: fertilization rate (61,88 % vs 59,75%), number of embryos per patient (2,36 vs 2,36), good quality embryos per patient (0,94 vs 0,85) (p > 0,01). Neither pregnancy rate nor implantation rate per transfers were affected by the sperm processing technique (30,00 % vs 26,27%; 22,92% vs 17,64 % respectively) (p > 0,01).According to our results the discontinuous density gradients do not improve ICSI outcomes even though a significant increase in concentration of motile sperm rates made evident. In conclusion, using discontinuous density gradient is not justified in semen samples for ICSI even though ART in which higher post-processing concentration of motile sperm rates is required could benefit of this procedure like IUI.tLIMITATIONS, REASONS FOR CAUTION: Number of cycles and the retrospective nature of the design are main limitations of our study; it would be interesting to study longer series of patients that support our findings, ideally in a randomized controlled prospective design. Similar analyses in subgroups of sperm quality different conditions may show different results.WIDER IMPLICATIONS OF THE FINDINGSWhen only a few spermatozoa need to be selected, as it is the case in ICSI technique, sperm selection with discontinuous density gradients has no effect in cycle outcome parameters. Election of sperm processing technique for ICSI should be based on other kind of parameters: availability, costs, lab organization, etc.
The Subfertility Handbook
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Author : Gab Kovacs
language : en
Publisher: Cambridge University Press
Release Date : 2010-11-11
The Subfertility Handbook written by Gab Kovacs and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-11 with Medical categories.
The fully revised and updated second edition of this practical handbook provides comprehensive coverage of all aspects of subfertility, including treatment and diagnosis. Each chapter is written by a recognized world expert in the field and, together, they aim to provide state of the art answers to all the problems of subfertility in a single volume. The introductory chapter provides a flow-chart approach to systematic diagnosis and treatment. Clearly written and easy to read, the subsequent chapters describe what questions to ask, how to investigate, and what each treatment requires. With an expanded international team of authors, this new edition also offers new chapters devoted to third party reproduction and in vitro maturation of oocytes. From medical students studying for examinations to consultant physicians, this volume is a 'must-have' reference for anyone dealing with couples who have fertility problems.
C Algebras And Elliptic Theory
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Author : Bogdan Bojarski
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-11-09
C Algebras And Elliptic Theory written by Bogdan Bojarski and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-11-09 with Mathematics categories.
This book consists of reviewed original research papers and expository articles in index theory (especially on singular manifolds), topology of manifolds, operator and equivariant K-theory, Hopf cyclic cohomology, geometry of foliations, residue theory, Fredholm pairs and others, and applications in mathematical physics. The wide spectrum of subjects reflects the diverse directions of research for which the starting point was the Atiyah-Singer index theorem.
Treewidth Kernels And Algorithms
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Author : Fedor V. Fomin
language : en
Publisher: Springer Nature
Release Date : 2020-04-20
Treewidth Kernels And Algorithms written by Fedor V. Fomin and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-20 with Computers categories.
This Festschrift was published in honor of Hans L. Bodlaender on the occasion of his 60th birthday. The 14 full and 5 short contributions included in this volume show the many transformative discoveries made by H.L. Bodlaender in the areas of graph algorithms, parameterized complexity, kernelization and combinatorial games. The papers are written by his former Ph.D. students and colleagues as well as by his former Ph.D. advisor, Jan van Leeuwen. Chapter “Crossing Paths with Hans Bodlaender: A Personal View on Cross-Composition for Sparsification Lower Bounds” is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.
Lapack Users Guide
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Author : E. Anderson
language : en
Publisher: SIAM
Release Date : 1999-01-01
Lapack Users Guide written by E. Anderson and has been published by SIAM this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-01-01 with Mathematics categories.
LAPACK is a library of numerical linear algebra subroutines designed for high performance on workstations, vector computers, and shared memory multiprocessors. Release 3.0 of LAPACK introduces new routines and extends the functionality of existing routines.
Communications On The Move
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Author :
language : en
Publisher:
Release Date : 1990
Communications On The Move written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Mobile communication systems categories.