Air Pollutants 1 Birth Weight 1 Female 1 Fetal Development Humans 1 Israel 1 Massachusetts 1 Maternal Exposure 1 PM2.5 exposure 1 Particulate Matter 1 Pregnancy 1 abdominal circumference 1 air pollutant 1 article 1 biparietal distance 1 birth weight 1 controlled study 1 demography 1 female 1 femur length 1 fetus development 1 fetus growth 1 head circumference 1 human 1 maternal exposure 1 particulate matter 1 pregnancy 1 prenatal exposure 1 ultrasound 1