Keyphrases
China
100%
Prenatal Exposure
100%
Preterm Birth
100%
National Cohort Study
100%
Particulate Matter 2.5 (PM2.5)
100%
Preterm Birth Risk
100%
Odds Ratio
75%
PM2.5 Exposure
75%
Assisted Reproductive Technology
50%
Chemical Constituents
50%
PM2.5 Mass
50%
Confidence Interval
25%
Adjusted Odds Ratio
25%
Multicenter Cohort Study
25%
During Pregnancy
25%
Third Trimester
25%
Sociodemographic Characteristics
25%
Nitrate
25%
Main Components
25%
Multilevel Logistic Regression Analysis
25%
Range Increase
25%
Fine Particulate Matter PM2.5
25%
Ammonium
25%
Birth Data
25%
Natural Conception
25%
Carbon Black
25%
Combustion
25%
Fossil Fuel Combustion
25%
Satellite Model
25%
Mainland China
25%
Total Mass
25%
Medicine and Dentistry
Premature Labor
100%
Cohort Analysis
100%
Prenatal Exposure
100%
Particular Matter 2.5
100%
Odds Ratio
40%
Assisted Reproductive Technology
20%
Conception
20%
Third Trimester Pregnancy
10%
Logistic Regression Analysis
10%
Seasonal Variation
10%
Ammonium Sulfate
10%
Fine Particulate Matter
10%
Black Carbon
10%
Fossil Fuel
10%
Earth and Planetary Sciences
China
100%
Particular Matter 2.5
100%
Prenatal Exposure
100%
Confidence Interval
10%
Spatial Variation
10%
Fine Particulate Matter
10%
Black Carbon
10%
Fuel Combustion
10%
Seasonality
10%
Fossil Fuel
10%
Agricultural and Biological Sciences
Odds Ratio
100%
Conception
50%
Assisted Reproductive Technology
50%
Confidence Interval
25%
Ammonium Sulfate
25%
Fossil Fuel
25%
Sociodemographic Characteristics
25%
Mathematics
Odds Ratio
100%
Confidence Interval
25%
Logistic Regression Analysis
25%
Interquartile Range
25%
Spatial Variation
25%
Trimester
25%
Total Mass
25%