Scary New Evidence Suggests Air Pollution Can Harm Babies in Utero -- Mother Jones

As fires spread across Northern California last week, smoke fouled the air of the San Francisco Bay Area and beyond. Ash fell from the sky like snow, walkers strapped on face masks before heading outside, and school children throughout the region were kept indoors. ....
http://www.motherjones.com/environment/2017/10/scary-new-evidence-suggests-air-pollution-can-harm-babies-in-utero/