Results 81 to 90 of about 5,794 (225)

Computer‐Assisted Sperm Analysis (CASA) Versus Manual Evaluation and the Clinical Significance of Sperm Hyperactivated Motility

open access: yesAndrology, EarlyView.
Abstract Background Semen analysis remains the first‐line diagnostic test for male infertility, although it is affected by operator subjectivity. Computer‐assisted sperm analysis (CASA) is proposed to improve objectivity; however, its accuracy and clinical relevance remain uncertain.
Maria Emanuela Ragosta   +8 more
wiley   +1 more source

Intracytoplasmic sperm injection.

open access: yesTidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 1998
The first results of intracytoplasmic sperm injection (ICSI) in Norway are presented. Acceptable fertilization rates were obtained for all indications; severe male infertility, as well as moderately reduced sperm quality where in vitro fertilization (IVF) and embryo transfer had previously failed.
Van Steirteghem, Andre, De Vos, Anick
openaire   +3 more sources

Changes in Testosterone Levels Following Surgical Sperm Retrieval in Men with Non-Obstructive Azoospermia: Systematic Review and Meta-Analysis

open access: yesThe World Journal of Men's Health
Purpose: Surgical sperm retrieval (SSR) is used to extract spermatozoa for use with intracytoplasmic sperm injection in men with obstructive and non-obstructive azoospermia (NOA).
Wael Zohdy   +26 more
doaj   +1 more source

Welfare in horse breeding [PDF]

open access: yes, 2015
Welfare problems related to the way horses are bred, whether by coitus or by the application of artificial reproduction techniques (ARTs), have been given no discrete consideration within the academic literature. This paper reviews the existing knowledge
ALLEN   +53 more
core   +2 more sources

Hyperactivation and Tyrosine Phosphorylation of Cryopreserved Stallion Spermatozoa in Relation to Conventional In Vitro Fertilization Blastocyst Production

open access: yesAndrology, EarlyView.
ABSTRACT Background Challenges in establishing clinical conventional in vitro fertilization (IVF) in horses include variation in sperm and oocyte quality, which can be affected by mare age. Extended preincubation of stallion spermatozoa has resulted in successful IVF.
Raul A. Gonzalez‐Castro   +6 more
wiley   +1 more source

The Efficiency of Introducing Intrauterine Infusion of Autologous Platelet-Rich Plasma versus Granulocyte Colony-Stimulating Factor in Repeated Implantation Failure Patients: An Unblinded Randomised Clinical Trial [PDF]

open access: yesInternational Journal of Fertility and Sterility
Background: Repeated implantation failure (RIF) refers to the condition where high quality embryos are unable tosuccessfully implant after multiple cycles of in vitro fertilization (IVF) treatment.
Marzieh Mehrafza   +9 more
doaj   +1 more source

Abnormal cleavage patterns in equine in vitro‐produced embryos lead to higher early pregnancy loss

open access: yesEquine Veterinary Journal, EarlyView.
Summary Background Despite significant advances, in vitro production (IVP) of equine embryos continues to lack standardised embryo classification criteria and is associated with increased rates of early pregnancy loss compared with in vivo‐derived blastocysts.
Soledad Martin‐Pelaez   +6 more
wiley   +1 more source

Artificial intelligence model for the assessment of unstained live sperm morphology

open access: yesReproduction and Fertility
Traditional sperm morphology assessment requires staining and high magnification (100×), rendering sperm unsuitable for further use. We aimed to determine whether an in-house artificial intelligence (AI) model could reliably assess normal sperm ...
Jermphiphut Jaruenpunyasak   +3 more
doaj   +1 more source

Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight

open access: yesExperimental Physiology, EarlyView.
Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley   +1 more source

Trends in Global Assisted Reproductive Technologies Research: a Scientometrics study

open access: yesElectronic Physician, 2015
Introduction: This study illustrated the global contribution to assisted reproductive technologies (ARTs) research in MEDLINE database from 1998 to 2014. Methods: In March 2015, the MEDLINE database was searched for research publications indexed under
Maryam Okhovati   +4 more
doaj   +1 more source

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