Sentence examples for exposures in the second from inspiring English sources
Associations found for BTEX and NO2 exposures in the second trimester were more pronounced in the whole cohort and in the two subsets, but only statistically significant among women who spent < 2 hr/day in nonresidential outdoor environments.
However, we also found a reduced risk associated with increased SO2 exposures in the second and third month, which might suggest these fetuses are vulnerable when exposed to SO2.
For both outcomes, ORs for exposures in the second and third quartiles versus the first quartile (< 4.8 μg/m) were nonsignificant in all models, but the highest quartile of PM2.5 exposure (≥ 27.3 μg/m) was negatively associated with preterm birth and LBW ORR = 0.25; 95% CI: 0.09, 0.67 and OR = 0.59; 95% CI: 0.38, 0.92, respectively, for model 2).
Relative to the first quartile (819 cases and 1,689 noncases), subjects in the third quartile (1,452 cases and 1,369 noncases) were 25% more likely to be hypertensive [odds ratio (OR) = 1.25; 95% CI, 0.87 1.81], but HTN was not associated with exposures in the second and fourth quartiles.
To estimate the effects of antibiotic exposures in the first 6 months of life on short- and long-term growth.
Inferred exposures in the first wave on TdC led to protection of very short duration (median 12 days), allowing the second wave to cause (milder) second infections in some of those previously affected [6].
Quantitative exposure measurements, especially on exposures in the first days after 9/11, are only minimally available.
ORs for CO and PM2.5 exposures in the first and second trimesters and the last month of pregnancy were similar (data not shown).
In general, the data suggest increasing odds of asthma with increasing PFCs, with the strongest associations for exposures in the fourth quartile.
Gehring et al. (2011) found inverse associations with PM2.5 exposures in the first trimester and last month before birth that attenuated or reversed after adjustment for region.
Also, most (>90%) OSCC exposures were in the last trimester, and it has been estimated [ 53] that risks from exposures in the first trimester are perhaps five times greater than those from exposures in the last trimester.
