Search terms
| Exposure MeSH Terms | Free text words | Outcome MeSH Terms | Free text words |
|---|---|---|---|
| Air pollution Environmental pollution Vehicular emission Particulate matter PM Ozone O3 Nitrogen dioxide NO2 Sulfur dioxide SO2 Carbon monoxide CO Polycyclic aromatic hydrocarbons PAH | Ambient air pollution Outdoor air pollution Ambient air quality Traffic exposure | Stillbirth Perinatal mortality Fetal mortality Fetal death Pregnancy outcome | Birth outcome Intrauterine mortality |