Are prenatal organophosphate flame retardants tied to baby growth changes?

What's actually in it

Organophosphate ester flame retardants are chemicals added to consumer products to slow down fire. These chemicals aren't just sitting in your furniture or home goods. They leach out into house dust and the air.

Because they are not chemically bound to the products they are added to, they easily enter the body. When a pregnant person is exposed, these chemicals can reach the developing fetus. This is a major concern for parents who want to limit early-life exposure to substances that may disrupt normal development.

What the research says

A 2026 study in Environ Res looked at how these flame retardants affect children as they grow. The researchers found that exposure during pregnancy is tied to changes in weight, height, and body mass index in children between the ages of 2 and 10 years.

Other peer-reviewed research highlights the broader risks of these chemicals. A 2026 study in Environ Int examined the impact of these substances on neurodevelopment in four-year-olds. Additionally, a 2026 study in Environ Pollut found that prenatal exposure to these esters is linked to changes in child cognition.

The science is clear that these chemicals are not harmless. A 2026 study in J Expo Sci Environ Epidemiol also found that these flame retardants and plasticizers in house dust are tied to behavioral outcomes in children. These findings show that exposure to these common additives can have lasting effects on a child's health and development.