Infertile men with semen parameters above WHO reference limits at first assessment may deserve a second semen analysis: Challenging the guidelines in the real-life scenario. [PDF]
PLoS ONE, 2023 ObjectivesTo investigate which infertile men with semen parameters above WHO reference limits at first semen analysis deserve a second semen test.Materials and methodsData from 1358 consecutive infertile men were analysed.
Luca Boeri +14 more
doaj +3 more sources
The Variability of Semen Parameters With Sexual Abstinence Using Mail-in Sperm Testing Is Similar to That Seen With Traditional In-Office Semen Analysis [PDF]
American Journal of Men's Health, 2023 The impact of ejaculatory abstinence on semen parameters using in-office semen analyses has been well-established; however, their variability has not been evaluated in men using mail-in semen analysis kits.
Jad Badreddine +7 more
doaj +2 more sources
Optimal timing for repeat semen analysis during male infertility evaluation [PDF]
F&S Reports, 2021 Objective: To assess whether the 4-week time period between semen analyses during the workup of male infertility is optimal and whether two samples are needed. Design: Retrospective study. Setting: Tertiary hospital.
Nahid Punjani, M.D., M.P.H. +5 more
doaj +2 more sources
Evaluation of semen parameters in semen donors in a ten-year period in the city of São Paulo [PDF]
Einstein (São Paulo), 2010 Objective: To evaluate sperm concentration, morphology and motility of Brazilian semen donors from 1992 to 2003, in the city of São Paulo. Methods: Retrospective study analyzing 182 donor semen samples from 1992 to 2003.
Sidney Glina +6 more
doaj +4 more sources
Accuracy Evaluation of The Depth of Six Kinds of Sperm Counting Chambers for both Manual and Computer-Aided Semen Analyses [PDF]
International Journal of Fertility and Sterility, 2016 Background Although the depth of the counting chamber is an important factor influencing sperm counting, no research has yet been reported on the measurement and comparison of the depth of the chamber.
Jin-Chun Lu +4 more
doaj +1 more source
Study on Influencing Factors of Semen Quality in Fertile Men
Frontiers in Physiology, 2022 ObjectiveTo establish a system for evaluation of semen quality in fertile men by factor analysis (FA).MethodsThe FA method was used to analyze five sperm test indicators for fertile men (sperm pH, sperm motility, sperm progressive motility, semen density,
Ning Wang +9 more
doaj +1 more source
Accuracy comparison study of new smartphone-based semen analyzer versus laboratory sperm quality analyzer [PDF]
Investigative and Clinical Urology, 2021 Purpose: This study aimed to test the clinical efficacy of a portable smartphone-based App assisted semen analysis (SA) system, O'VIEW-M PRO® to clinically accurate in comparison with results of laboratory-based conventional semen analyses including ...
Min Jung Park +3 more
doaj +1 more source
A new perspective on semen quality of aged male: The characteristics of metabolomics and proteomics
Frontiers in Endocrinology, 2023 BackgroundSemen quality is negatively correlated with male age and is mainly quantified by a routine semen analysis, which is descriptive and inconclusive.
Yi Guo +9 more
doaj +1 more source
Semen parameter variability among users of at-home sperm testing kits
BMC Urology, 2022 Background Despite the generally accepted World Health Organization guidelines on semen analysis, an individual’s results can display significant variation when performed across time or in different laboratories.
Yana Aznavour +6 more
doaj +1 more source