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Outdoor PM2.5 (μg/m3) exposure characteristics for the 197 mothers included in this study from the ENVIRONAGE birth cohort.
| Exposure window | Mean ± SD | 25th percentile | 75th percentile |
|---|---|---|---|
| Trimester 1 | 15.5 ± 5.4 | 11.4 | 19.9 |
| Trimester 2 | 15.4 ± 5.1 | 11.1 | 19.7 |
| Trimester 3 | 16.1 ± 5.2 | 12.0 | 19.8 |
| Entire pregnancy | 15.7 ± 2.6 | 13.5 | 17.5 |
