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Semen quality and windows of susceptibility: A case study during COVID-19 outbreak in China.
Yang, Tingting; Deng, Li; Sun, Boyu; Zhang, Shifu; Xian, Yang; Xiao, Xiao; Zhan, Yu; Xu, Kehui; Buonocore, Johnathan J; Tang, Ya; Li, Fuping; Qiu, Yang.
  • Yang T; Department of Andrology/Sichuan Human Sperm Bank, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China; Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan, 610041, PR China.
  • Deng L; Department of Environmental Sciences and Engineering, College of Architecture and Environment, Sichuan University, PR China.
  • Sun B; Wuyuzhang Honors College, Sichuan University, Chengdu, PR China.
  • Zhang S; Department of Environmental Sciences and Engineering, College of Architecture and Environment, Sichuan University, PR China.
  • Xian Y; Department of Andrology/Sichuan Human Sperm Bank, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China; Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan, 610041, PR China.
  • Xiao X; Department of Andrology/Sichuan Human Sperm Bank, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China; Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan, 610041, PR China.
  • Zhan Y; Department of Environmental Sciences and Engineering, College of Architecture and Environment, Sichuan University, PR China.
  • Xu K; Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan, 610041, PR China; Department of Reproductive Endocrinology, West China Second University Hospital, Sichuan University, Chengdu, China.
  • Buonocore JJ; Center for Climate, Health, and the Global Environment, Harvard T.H. Chan School of Public Health, USA.
  • Tang Y; Department of Environmental Sciences and Engineering, College of Architecture and Environment, Sichuan University, PR China.
  • Li F; Department of Andrology/Sichuan Human Sperm Bank, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China; Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan, 610041, PR China.
  • Qiu Y; Department of Environmental Sciences and Engineering, College of Architecture and Environment, Sichuan University, PR China. Electronic address: yqiu@scu.edu.cn.
Environ Res ; 197: 111085, 2021 06.
Article in English | MEDLINE | ID: covidwho-1163737
ABSTRACT

BACKGROUND:

To evaluate the impact of air pollution exposure on semen quality parameters during COVID-19 outbreak in China, and to identify potential windows of susceptibility for semen quality.

METHODS:

A retrospective observational study was carried out on 1991 semen samples collected between November 23, 2019 and July 23, 2020 (a period covering COVID-19 lock-down in China) from 781 sperm donor candidates at University-affiliated Sichuan Provincial Human Sperm Bank. Multivariate mixed-effects regression models were constructed to investigate the relationship between pollution exposure, windows of susceptibility, and semen quality, while controlling for biographic and meteorologic confounders. RESULT(S) The results indicated multiple windows of susceptibility for semen quality, especially sperm motility, due to ambient pollution exposure. Exposure to particulate matters (PM2.5 and PM10), O3 and NO2 during late stages of spermatogenesis appeared to have weak but positive association with semen quality. Exposure to CO late in sperm development appeared to have inverse relationship with sperm movement parameters. Exposure to SO2 appeared to influence semen quality throughout spermatogenesis. CONCLUSION(S) Potential windows of susceptibility for semen quality varied depending on air pollutants. Sperm motility was sensitive to pollution exposure. Findings from current study further elucidate the importance of sensitive periods during spermatogenesis and provide new evidence for the determinants of male fertility.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Air Pollutants / Air Pollution / COVID-19 Type of study: Case report / Experimental Studies / Observational study / Prognostic study / Qualitative research Limits: Humans / Male Country/Region as subject: Asia Language: English Journal: Environ Res Year: 2021 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Air Pollutants / Air Pollution / COVID-19 Type of study: Case report / Experimental Studies / Observational study / Prognostic study / Qualitative research Limits: Humans / Male Country/Region as subject: Asia Language: English Journal: Environ Res Year: 2021 Document Type: Article