Results 1 to 10 of about 47,453 (299)
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
doaj +4 more sources
Correlation between adjusted late spermatid score and sperm count in normozoospermic and oligozoospermic men [PDF]
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
doaj +2 more sources
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
doaj +3 more sources
Microplastic presence in dog and human testis and its potential association with sperm count and weights of testis and epididymis [PDF]
Toxicological SciencesMatthew Campen +2 more
exaly +2 more sources
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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Effect of Aerobic Bacterial Infection to The Semen Parameters [PDF]
مجلة التربية والعلم, 2007 Semen analysis and culture assay were done ( 1 00) patients suspected tobe subfertile men attended the male infertility clinic at Al-Khansa'ahospital in Mosul.
Asma'a Al-Taee, Abbas Al-Dajaily
doaj +1 more source
Temporal trends in sperm count: a systematic review and meta-regression analysis [PDF]
Human Reproduction Update, 2017 Anderson Martino-Andrade +2 more
exaly +2 more sources
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
doaj +1 more source
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
doaj +1 more source