Cross SectionalHumann = 1,1802025
Exposure to ambient particulate matter and semen quality: the modifying role of socioeconomic status and lifestyle factors in chinese men.
Plain-language summary
This study looked at whether exposure to air pollution, especially fine particles (PM2.5 and PM10), affects semen quality in men. It included 1,180 men aged 18, 45 from Foshan, China, and measured their exposure to air pollution during sperm development, along with semen quality. The study found that higher exposure to PM2.5 and PM10 in the 61, 90 days before semen collection was linked to worse semen quality, and men with lower socioeconomic status and unhealthy lifestyles were more affected. Combined exposure to particulate matter and gases like CO and NO₂ further increased the risk of abnormal semen quality.
Key findings
- Higher exposure to PM2.5 and PM10 during sperm development was linked to worse semen quality.
- Men with lower socioeconomic status and unhealthy lifestyles were more vulnerable to these effects.
- Combined exposure to particulate matter and gases like CO and NO₂ further increased the risk of abnormal semen quality.
How to analyze the study yourself
- Study type
- Cross-sectional studies are good for spotting associations at a single point in time but cannot prove cause and effect.
- Population
- Men aged 18, 45 from Foshan, China.
- Funding
- Not reported
- Watch for
- This study found that higher exposure to air pollution, especially fine particles, was linked to worse semen quality, with men in lower socioeconomic groups and with unhealthy habits more affected. If you are trying to conceive, it may be worth reducing your exposure to air pollution and adopting healthier habits.