article_snippet: What might be more surprising to learn, though, is that air pollution is bad for the health of an unborn child, long before an unborn child or an unborn child lungs ever take his or her lungs first breath.
article_snippet: A growing body of research indicates that various forms of air pollution have a measurable impact on the health of babies, both in utero and after birth.
article_snippet: We imagine the infant to be protected inside the infant mother's body, but pollutants can reach the baby the same way nutrients and medicine do.  
article_snippet: Lead, mercury and particulate matter are among the types of air pollution we know can impact the health of infants before and after birth.
article_snippet: Ozone, or smog, is the next candidate for addition to the list of air pollutants known to be harmful to fetal health.
article_snippet: How can a pregnant woman protect a pregnant woman and a pregnant woman growing fetus from the harm caused by ozone?
article_snippet: Summertime air quality alerts may help in some cases, but some pregnant women cannot avoid exposure.