Results 1 to 10 of about 175,019 (340)

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]

open access: yesPLoS 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]

open access: yesAmerican 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

Changes in Semen Analysis over Time: A Temporal Trend Analysis of 20 Years of Subfertile Non-Azoospermic Men [PDF]

open access: yesThe World Journal of Men's Health, 2023
Purpose: To examine trends of population-level semen quality over a 20-year period. Materials and Methods: We performed a retrospective review of data from the andrology lab of a high volume tertiary hospital.
Nahid Punjani   +8 more
doaj   +2 more sources

Optimal timing for repeat semen analysis during male infertility evaluation [PDF]

open access: yesF&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]

open access: yesEinstein (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]

open access: yesInternational 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

open access: yesFrontiers 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

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