Medscape Today reports that toxicants can cross the placenta and expose the unborn child to chemical contamination leading to possible adverse health effects, and potentially bringing about alterations in the competency of the immune system. Investigations on the impact of maternal exposure to air pollution before, and during pregnancy on the new born's immune system showed that the cord blood when analyzed at birth increased the risk due to compromised immune competency to allergies and asthma.
Read the full report on : http://www.medscape.com/viewarticle/755990_2
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