On Saturday, Daniella Flanagan rallied for reproductive rights in downtown Houston along with more than 10,000 others when the skies opened. Relentless, heavy rain poured down.

A hurricane hits. The terror and stress caused by the imposing wind and rain affect nearly everybody’s mental health, but perhaps none more so than expectant mothers. Then that stress and the pollutants whipped up by the storm wreak havoc on their bodies, and their pregnancies.