Letters Traffic pollution and pregnancy outcomes

Healthcare professionals must demand action on the social determinants of preventable low fetal growth and preterm birth

BMJ 2018; 360 doi: https://doi.org/10.1136/bmj.k399 (Published 30 January 2018) Cite this as: BMJ 2018;360:k399
  1. Alain Braillon, senior consultant1,
  2. Susan Bewley, professor of women’s health2
  1. 1University Hospital, 80000 Amiens, France
  2. 2King’s College London, London, UK
  1. braillon.alain{at}gmail.com

Smith and colleagues clearly show that air pollution from road traffic in London adversely affects fetal growth.1 The study adjusted for confounding variables and estimated a population attributable fraction (the proportional reduction in population morbidity that would occur if exposure was reduced to zero) of 3%, which is merely the tip …

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