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Influence of ejaculation frequency on seminal parameters

dc.contributor.authorMayorga-Torres, B. Jose Manuelen_ZA
dc.contributor.authorCamargo, Mauricioen_ZA
dc.contributor.authorAgarwal, Ashoken_ZA
dc.contributor.authorDu Plessis, Stefan S.en_ZA
dc.contributor.authorCadavid, Angela P.en_ZA
dc.contributor.authorCardona Maya, Walter D.en_ZA
dc.date.accessioned2015-08-31T14:01:42Z
dc.date.available2015-08-31T14:01:42Z
dc.date.issued2015-05
dc.identifier.citationMayorga-Torres, B. J. M. et al. 2015. Influence of ejaculation frequency on seminal parameters. Reproductive Biology and Endocrinology, 13(1):47, doi:10.1186/s12958-015-0045-9.en_ZA
dc.identifier.issn1477-7827 (online)en_ZA
dc.identifier.otherdoi:10.1186/s12958-015-0045-9en_ZA
dc.identifier.urihttp://hdl.handle.net/10019.1/97456
dc.descriptionCITATION: Mayorga-Torres, B. J. M. et al. 2015. Influence of ejaculation frequency on seminal parameters. Reproductive Biology and Endocrinology, 13(1):47, doi:10.1186/s12958-015-0045-9.en_ZA
dc.descriptionThe original publication is available at http://www.rbej.com/content/13/1/47en_ZA
dc.description.abstractBackground Several factors have been shown to influence semen parameters, one of which is sexual abstinence; a clinical criteria included in the semen evaluation to provide maximum sperm quality. The aim of the present study was to assess the effect of a daily ejaculation frequency on conventional and functional semen parameters. Methods Semen samples were collected daily over a period of two weeks of which every second sample per person was processed and analyzed according to the World Health Organization guidelines. Furthermore, mitochondrial function, intracellular reactive oxygen species production and sperm DNA fragmentation were evaluated by flow cytometry. Results Total sperm count and seminal volume per ejaculation declined and remained decreased for the duration of the daily ejaculation period. However, conventional parameters such as sperm concentration, motility, progressive motility, morphology, vitality and functional parameters such as sperm plasma membrane integrity, mitochondrial membrane potential and DNA fragmentation was not significantly affected and remained similar to the initial measurement throughout the daily ejaculation period. Despite intra- and inter individual variations, the average values of the basic semen parameters remained above the WHO (2010) reference values throughout the daily ejaculation period. Interestingly, a decreasing trend in intracellular ROS production was observed, although statistically not significant. Conclusions The study shows that an extended 2 week period of daily ejaculation does not have major clinical effects on conventional and functional seminal parameters.en_ZA
dc.language.isoen_ZAen_ZA
dc.publisherBioMed Centralen_ZA
dc.titleInfluence of ejaculation frequency on seminal parametersen_ZA
dc.typeArticleen_ZA
dc.date.updated2015-08-04T16:51:20Z
dc.description.versionPublishers' version
dc.rights.holderMayorga-Torres et al.; licensee BioMed Central.


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