Results 1 to 10 of about 40,790 (139)
Selection on Sperm Count, but Not on Sperm Morphology or Velocity, in a Wild Population of Anolis Lizards [PDF]
Cells, 2021 Sperm competition is a widespread phenomenon that shapes male reproductive success. Ejaculates present many potential targets for postcopulatory selection (e.g., sperm morphology, count, and velocity), which are often highly correlated and potentially ...
Ariel F. Kahrl +6 more
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Health Science Reports, 2022 Background and Aims Several studies have shown that the length of ejaculatory abstinence alters sperm quality. However, the available data are conflicting and none seems to exist in a Nigerian population.
Roland E. Akhigbe +3 more
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Abnormal Human Sperm Parameters Contribute to Sperm DNA Fragmentation in Men with Varicocele [PDF]
The World Journal of Men's Health, 2018 Purpose: This study was performed to evaluate and compare threshold sperm parameters and sperm DNA fragmentation index (DFI), and further analyzed whether sperm DFI could be predicted from sperm parameters in men with varicocele.
Yong-Seog Park +5 more
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Theriogenology Wild, 2023 Developing protocols that maximize the total sperm output during a semen collection from an endangered species is essential for strategic genome resource banking practices. Exogenous oxytocin has been administered to domestic bovid species prior to semen
James D. Gillis +7 more
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Ecotoxicology and Environmental Safety, 2023 Selenium (Se) is essential for successful male reproduction. However, the association of Se status with human semen quality remains controversial and the underlying mechanisms are poorly understood.
Heng-Gui Chen +11 more
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Effects of Sperm Parameters on Pregnancy Rate in Patients Undergoing Intrauterine Insemination
Gynecology Obstetrics & Reproductive Medicine, 2020 OBJECTIVE: In this study, the effects of sperm parameters on the success of intrauterine insemination were investigated. STUDY DESIGN: The data from 309 infertile couples who were admitted between 2012-2018 without a female factor were analyzed ...
Mehmet Solakhan, Mustafa Demir
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Journal of Urological Surgery, 2022 Objective:Incubation of the embryo is the vital step in assisted reproductive techniques. Embryoscope systems are incubators that keep the embryo stable and allow for continuous observation without opening the lid.
Elif Ganime Aygun, Emine Karabük
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Safe Medication with Remdesivir for COVID-19 in Patients with Infertility [PDF]
Translational Research in Urology, 2023 Introduction: SARS-CoV-2, also known as COVID-19, emerged in China in December 2019. SARS-CoV-2 viruses use angiotensin-converting enzyme 2 (ACE2) as a receptor to enter cells.
Ali Tavoosian +5 more
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The Effect Of Air Temperature On Quality Of Sperm In Diyarbakir: An Analysis Over Six Years
Van Tıp Dergisi, 2022 INTRODUCTION: There are many studies focusing on the effect of environmental conditions on human sperm quality. Therefore, we aimed to evaluate the possible effects of environmental factors such as air temperature and humidity, sun exposure time and ...
Muhamet Afsin, Ayse Feyda Nursal
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Middle East Fertility Society Journal, 2013 Objective: To correlate late spermatid score and sperm count in men with normal semen analysis and oligozoospermia undergoing intracytoplasmic sperm injection (ICSI) to set the average threshold of spermatids/tubule of testicular tissue needed for normal
Ibrahim Fahmy +3 more
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