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The association between ambient temperature and sperm quality in Wuhan, China
BACKGROUND: Few epidemiological investigations have focused on the influence of environmental temperature on human sperm quality. Here, we evaluated the potential association between ambient temperature and human sperm quality in Wuhan, China, and examined the interactive effect of particulate matte...
Autores principales: | , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7189467/ https://www.ncbi.nlm.nih.gov/pubmed/32345302 http://dx.doi.org/10.1186/s12940-020-00595-w |
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author | Wang, Xiaochen Tian, Xiaojia Ye, Bo Zhang, Yi Zhang, Xiaotong Huang, Shichun Li, Cunlu Wu, Simin Li, Rui Zou, Yuliang Liao, Jingling Yang, Jing Ma, Lu |
author_facet | Wang, Xiaochen Tian, Xiaojia Ye, Bo Zhang, Yi Zhang, Xiaotong Huang, Shichun Li, Cunlu Wu, Simin Li, Rui Zou, Yuliang Liao, Jingling Yang, Jing Ma, Lu |
author_sort | Wang, Xiaochen |
collection | PubMed |
description | BACKGROUND: Few epidemiological investigations have focused on the influence of environmental temperature on human sperm quality. Here, we evaluated the potential association between ambient temperature and human sperm quality in Wuhan, China, and examined the interactive effect of particulate matter (PM(2.5)) and temperature. METHODS: 1780 males who had been living in Wuhan for no less than three months and received semen analysis at the Department of Reproductive Medicine in Renmin Hospital of Wuhan University between April 8, 2013 and June 30, 2015 were recruited. Daily mean meteorological data and air pollution data (PM(2.5), O(3) and NO(2)) in Wuhan between 2013 and 2015 were collected. A generalized linear model was used to explore the associations between ambient temperature and sperm quality (including sperm concentration, percentage of normal sperm morphology, and progressive motility) at 0–9, 10–14, 15–69, 70–90, and 0–90 days before semen examination, and the interaction between temperature and PM(2.5). RESULTS: The associations between ambient temperature and sperm quality were an inverted U-shape at five exposure windows, except for a lag of 0–9 days for sperm concentration. A 1 °C increase in ambient temperature above the thresholds was associated with a 2.038 (1.292 ~ 2.783), 1.814 (1.217 ~ 2.411), 1.458 (1.138 ~ 1.777), 0.934(0.617 ~ 1.251) and 1.604 (1.258 ~ 1.951) decrease in the percentage of normal sperm morphology at lag 0–9, lag 10–14, lag 15–69, lag 70–90, and lag 0–90 days, respectively. The interaction p-values of PM(2.5) and temperature were mostly less than 0.05 at five exposure windows. When ambient temperature exposure levels were above the thresholds, a 0.979 (0.659–1.299) and 3.559 (0.251 ~ 6.867) decrease in percentage of normal sperm morphology per 1 °C increase in temperature at lag 0–90 days was observed in the PM(2.5) ≤ P(50) group and PM(2.5) > P(50) group, respectively. CONCLUSIONS: Our results indicate that exposure to ambient temperature has a threshold effect on sperm quality, and PM(2.5) enhances the effect of temperature on sperm quality when temperatures are above the threshold. |
format | Online Article Text |
id | pubmed-7189467 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | BioMed Central |
record_format | MEDLINE/PubMed |
spelling | pubmed-71894672020-05-04 The association between ambient temperature and sperm quality in Wuhan, China Wang, Xiaochen Tian, Xiaojia Ye, Bo Zhang, Yi Zhang, Xiaotong Huang, Shichun Li, Cunlu Wu, Simin Li, Rui Zou, Yuliang Liao, Jingling Yang, Jing Ma, Lu Environ Health Research BACKGROUND: Few epidemiological investigations have focused on the influence of environmental temperature on human sperm quality. Here, we evaluated the potential association between ambient temperature and human sperm quality in Wuhan, China, and examined the interactive effect of particulate matter (PM(2.5)) and temperature. METHODS: 1780 males who had been living in Wuhan for no less than three months and received semen analysis at the Department of Reproductive Medicine in Renmin Hospital of Wuhan University between April 8, 2013 and June 30, 2015 were recruited. Daily mean meteorological data and air pollution data (PM(2.5), O(3) and NO(2)) in Wuhan between 2013 and 2015 were collected. A generalized linear model was used to explore the associations between ambient temperature and sperm quality (including sperm concentration, percentage of normal sperm morphology, and progressive motility) at 0–9, 10–14, 15–69, 70–90, and 0–90 days before semen examination, and the interaction between temperature and PM(2.5). RESULTS: The associations between ambient temperature and sperm quality were an inverted U-shape at five exposure windows, except for a lag of 0–9 days for sperm concentration. A 1 °C increase in ambient temperature above the thresholds was associated with a 2.038 (1.292 ~ 2.783), 1.814 (1.217 ~ 2.411), 1.458 (1.138 ~ 1.777), 0.934(0.617 ~ 1.251) and 1.604 (1.258 ~ 1.951) decrease in the percentage of normal sperm morphology at lag 0–9, lag 10–14, lag 15–69, lag 70–90, and lag 0–90 days, respectively. The interaction p-values of PM(2.5) and temperature were mostly less than 0.05 at five exposure windows. When ambient temperature exposure levels were above the thresholds, a 0.979 (0.659–1.299) and 3.559 (0.251 ~ 6.867) decrease in percentage of normal sperm morphology per 1 °C increase in temperature at lag 0–90 days was observed in the PM(2.5) ≤ P(50) group and PM(2.5) > P(50) group, respectively. CONCLUSIONS: Our results indicate that exposure to ambient temperature has a threshold effect on sperm quality, and PM(2.5) enhances the effect of temperature on sperm quality when temperatures are above the threshold. BioMed Central 2020-04-28 /pmc/articles/PMC7189467/ /pubmed/32345302 http://dx.doi.org/10.1186/s12940-020-00595-w Text en © The Author(s) 2020 Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data. |
spellingShingle | Research Wang, Xiaochen Tian, Xiaojia Ye, Bo Zhang, Yi Zhang, Xiaotong Huang, Shichun Li, Cunlu Wu, Simin Li, Rui Zou, Yuliang Liao, Jingling Yang, Jing Ma, Lu The association between ambient temperature and sperm quality in Wuhan, China |
title | The association between ambient temperature and sperm quality in Wuhan, China |
title_full | The association between ambient temperature and sperm quality in Wuhan, China |
title_fullStr | The association between ambient temperature and sperm quality in Wuhan, China |
title_full_unstemmed | The association between ambient temperature and sperm quality in Wuhan, China |
title_short | The association between ambient temperature and sperm quality in Wuhan, China |
title_sort | association between ambient temperature and sperm quality in wuhan, china |
topic | Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7189467/ https://www.ncbi.nlm.nih.gov/pubmed/32345302 http://dx.doi.org/10.1186/s12940-020-00595-w |
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