"Yet, the most concerning consequence Naled poses for human health is the chemical's ability to cross the placental barrier—meaning that Naled freely crosses from mother to fetus. A study conducted at the University of Oslo found that Naled's breakdown product, dichlorvos, caused a 15 percent decrease in the brain size of newborn guinea pigs when their mothers were exposed to Naled for only three days during pregnancy. Doctors from Puerto Rico have also claimed that Naled harms fetuses."

This is in regard to the pesticide they are spraying over 6 million acres in the Houston area. Full article here:

https://www.ecowatch.com/harvey-pesticide-naled-2484385387.html