Background Investigations on the potential effects of high air pollution exposure before
pregnancy on adverse pregnancy outcomes are limited, and it is unknown whether air …

Importance Although studies in western countries suggest that ambient air pollution is
positively associated with adverse pregnancy outcomes, the upper levels of pollutant …

Previous studies from Western country settings had shown correlation between maternal
exposure to air pollution and pregnancy outcomes; however, the evidence is difficult to …

Backgrounds Evidence is scarce on the relation between maternal exposure to ambient air
pollution during pregnancy and fetal growth in developing countries. Moreover, the current …

Maternal exposure to ambient air pollution has been associated with preterm birth (PTB),
however, entire pregnancy or trimester-specific associations were generally reported, which …

Background Prenatal exposure to ambient air pollution has been associated with adverse
birth outcomes, but the potential modifying effect of maternal comorbidities remains …

There is a growing number of studies on the association between ambient air pollution and
adverse pregnancy outcomes, but their results have been inconsistent. Consequently, a …

Research on the potential impact of air pollution on the human's health has increased
rapidly in recent years. Several studies have suggested that exposure to air pollutants …

Previous studies have suggested that maternal exposure to air pollution might affect term
birth weight. However, the conclusions are controversial. Birth data of all term newborns …

Background A mountain of evidence has shown that people's physical and mental health
can be affected by various air pollutions. Poor pregnancy outcomes are associated with …