Research Article
Impacts of Outdoor Air Pollution on Human Semen Quality: A Meta-Analysis and Systematic Review
Figure 2
Forest plots of merged analyses of effects on sperm parameters by outdoor air pollution. (a–e) Forests plots of merged analyses of semen volume, sperm concentration, total sperm count, normal morphology rate, progressive motility, and total sperm motility, respectively.
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |