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dc.contributor.author
Sermondade, N.
dc.contributor.author
Faure, C.
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Fezeu, L.
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Shayeb, A. G.
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Bonde, J. P.
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Jensen, J. K.
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Van Wely, M.
dc.contributor.author
Cao, J.
dc.contributor.author
Martini, Ana Carolina
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dc.contributor.author
Eskandar, M.
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Chavarro, J. E.
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Koloszar, S.
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Twigt, J. M.
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Ramlau Hansen, C. H.
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Borges Jr, E.
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Lotti, F.
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Steegers Theunissen, R. P. M.
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Zorn, B.
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Polotsky, A. J.
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La Vignera, S.
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Eskenazi, B.
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Tremellen, K.
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Magnusdottir, E. V.
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Fejes, I.
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Hercberg, S.
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Lévy, R.
dc.contributor.author
Czernichow, S.
dc.date.available
2017-01-24T15:02:05Z
dc.date.issued
2013-05
dc.identifier.citation
Sermondade, N.; Faure, C.; Fezeu, L.; Shayeb, A. G.; Bonde, J. P.; et al.; BMI in relation to sperm count: an updated systematic review and collaborative meta-analysis; Oxford University Press; Human Reproduction Update.; 19; 3; 5-2013; 221-231
dc.identifier.issn
1355-4786
dc.identifier.uri
http://hdl.handle.net/11336/11779
dc.description.abstract
Background: The global obesity epidemic has paralleled a decrease in semen quality. Yet, the association between obesity and sperm parameters remains controversial. The purpose of this report was to update the evidence on the association between BMI and sperm count through a systematic review with meta-analysis.
Methods: A systematic review of available literature (with no language restriction) was performed to investigate the impact of BMI on sperm count. Relevant studies published until June 2012 were identified from a Pubmed and EMBASE search. We also included unpublished data (n ¼ 717 men) obtained from the Infertility Center of Bondy, France. Abstracts of relevant articles were examined and studies that could be included in this review were retrieved. Authors of relevant studies for the meta-analysis were contacted by email and asked to provide standardized data.
Results: A total of 21 studies were included in the meta-analysis, resulting in a sample of 13 077 men from the general population and attending fertility clinics. Data were stratified according to the total sperm count as normozoospermia, oligozoospermia and azoospermia. Standardized weighted mean differences in sperm concentration did not differ significantly across BMI categories. There was a J-shaped relationship between BMI categories and risk of oligozoospermia or azoospermia. Compared with men of normal weight, the odds ratio (95% confidence interval) for oligozoospermia or azoospermia was 1.15 (0.93–1.43) for underweight, 1.11 (1.01–1.21) for overweight, 1.28 (1.06– 1.55) for obese and 2.04 (1.59–2.62) for morbidly obese men.
Conclusions: Overweight and obesity were associated with an increased prevalence of azoospermia or oligozoospermia. The main limitation of this report is that studied populations varied, with men recruited from both the general population and infertile couples. Whether weight normalization could improve sperm parameters should be evaluated further.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Oxford University Press
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Obesity
dc.subject
Bmi
dc.subject
Sperm Concentration
dc.subject
Total Sperm Count
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Meta-Analysis
dc.subject.classification
Andrología
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dc.subject.classification
Medicina Clínica
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dc.subject.classification
CIENCIAS MÉDICAS Y DE LA SALUD
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dc.title
BMI in relation to sperm count: an updated systematic review and collaborative meta-analysis
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-01-13T19:25:04Z
dc.identifier.eissn
1460-2369
dc.journal.volume
19
dc.journal.number
3
dc.journal.pagination
221-231
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Oxford
dc.description.fil
Fil: Sermondade, N.. Hôpital Jean Verdier; Francia. Universite de Paris 13-nord; Francia
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Fil: Faure, C.. Hôpital Jean Verdier; Francia. Universite de Paris 13-nord; Francia
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Fil: Fezeu, L.. Universite de Paris 13-nord; Francia
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Fil: Shayeb, A. G.. University Hospital of Wales; Reino Unido
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Fil: Bonde, J. P.. Bispebjerg Hospital of Copenhagen University; Dinamarca
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Fil: Jensen, J. K.. University Department of Growth and Reproduction; Dinamarca
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Fil: Van Wely, M.. Academic Medical Centre; Países Bajos
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Fil: Cao, J.. Third Military Medical University; China
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Fil: Martini, Ana Carolina. Universidad Nacional de Córdoba. Facultad de Ciencias Médicas; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Cordoba. Instituto de Investigaciones en Ciencias de la Salud; Argentina
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Fil: Eskandar, M.. King Khalid University; Arabia Saudita
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Fil: Chavarro, J. E.. Harvard University. Harvard School Of Public Health; Estados Unidos. Harvard Medical School; Estados Unidos
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Fil: Koloszar, S.. University of Szeged; Hungría
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Fil: Twigt, J. M.. University Medical Center; Países Bajos
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Fil: Ramlau Hansen, C. H.. Aarhus University; Dinamarca
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Fil: Borges Jr, E.. Fertility-Assisted Fertilization Center; Brasil
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Fil: Lotti, F.. Universita Degli Studi Di Firenze; Italia
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Fil: Steegers Theunissen, R. P. M.. University Medical Center; Países Bajos
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Fil: Zorn, B.. University Medical Center Ljubljana; Eslovenia
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Fil: Polotsky, A. J.. University of Colorado Denver; Estados Unidos
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Fil: La Vignera, S.. University of Catania; Italia
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Fil: Eskenazi, B.. University Of California Berkeley; Estados Unidos
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Fil: Tremellen, K.. University of South Australia; Australia
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Fil: Magnusdottir, E. V.. University of Iceland; Islandia
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Fil: Fejes, I.. University of Szeged; Hungría
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Fil: Hercberg, S.. Universite de Paris 13-nord; Francia. Hôpital Avicenne; Francia
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Fil: Lévy, R.. Hôpital Jean Verdier; Francia. Universite de Paris 13-nord; Francia
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Fil: Czernichow, S.. University of Versailles Saint Quentin en Yvelines; Francia. Centre for Research in Epidemiology and Population Health; Francia
dc.journal.title
Human Reproduction Update.
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/humupd/dms050
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://humupd.oxfordjournals.org/content/19/3/221
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3621293/
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