Prenatal PFAS Exposure May Stunt Children's Growth
NonToxCo Research
Science & Safety Team · 4/8/2026
Babies born small after PFAS exposure in the womb may struggle to catch up in growth. The chemicals don't just affect birth, they affect what comes after.
PFAS Block Catch-Up Growth
A 2026 prospective cohort study in J Hazard Mater followed children who were born with adverse outcomes and tracked whether they experienced catch-up growth. Higher prenatal PFAS exposure was associated with impaired catch-up growth.
When babies are born small or with complications, they often "catch up" in weight and height during the first few years. But PFAS exposure before birth appears to interfere with that recovery process. These children may carry growth deficits longer.
A Long Shadow From the Womb
PFAS don't just cause problems at birth and disappear. They alter developmental programming that affects how a child grows for years afterward. The study adds to evidence that prenatal chemical exposure creates lasting biological changes that outlive the exposure itself.
What You Can Do
Reduce PFAS exposure before and during pregnancy. Filter your drinking water. Replace nonstick cookware. Avoid stain-resistant and water-resistant treated products. Browse non-toxic baby products to build a safer environment for your growing child.