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Higher PFUnDA Exposure Linked to Lower Birth Weight in Babies

"Systematic Review and Meta-analysis of Birth Weight and Prenatal Exposure to Perfluoroundecanoic Acid." — Environmental research, 2026

April 22, 2026by AI Curated

Higher PFUnDA Exposure Linked to Lower Birth Weight in Babies

What they found

A meta-analysis of 28 studies found a pooled mean birth weight deficit of 15.3 grams per ln(ng/mL) increase in prenatal PFUnDA exposure. Deficits varied by study confidence and sample timing.

What they studied

Researchers conducted a systematic review and meta-analysis to examine the association between prenatal exposure to perfluoroundecanoic acid (PFUnDA) biomarkers and changes in birth weight in humans.

Takeaways

The abstract focuses on findings; it does not give personal how-to steps.

About this paper

This systematic review and meta-analysis synthesized data from 28 studies to evaluate PFUnDA's potential developmental effects. The authors noted that trends in birth weight deficits across different study strata might be partly explained by bias from pregnancy hemodynamics.

pfundapfasbirth weightprenatal exposuremeta-analysisdevelopmental effectscurated

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