Published April 8, 2009 01:11 PM

Traffic pollution can harm babies in the womb, claim researchers

The risk of a delivering a baby of small weight rose significantly with each increase in pollution levels during the first three months and final three months of pregnancy.

Researchers believe restricted fetal growth may be linked to traffic pollution or living close to a major road.

Epidemiologist Professor David Rich, of the University of Medicine and Dentistry of New Jersey, and colleagues said it was unclear how air pollution restricts fetal growth.


Previous research suggests air pollution might alter cell activity - or cut the amount of oxygen and nutrients a baby receives while in the womb.

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