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Test Results

July 14, 2005

Body Burden: The Pollution in Newborns: Test Results

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  Methylmercury

Methylmercury was found in 10 of 10 umbilical cord blood samples from babies born in U.S. hospitals in 2004, at concentrations ranging from 0.1 to 2.3 ng/g (wet weight, in whole blood). It was also found in 3 of 3 adult blood samples, at concentrations ranging from 0.3 to 1.1 ng/g (wet weight, in whole blood).

Forms from mercury, a pollutant from coal-fired power plants and other sources. Methylmercury accumulates in seafood and harms brain development and function.


About Methylmercury
CAS RN22967-92-6
Chemical ClassMetals



Priority Health Concerns for Methylmercury
Health Concern or Target OrganWeight of Evidence
Birth Defects / Developmental DelaysKnown Effects
Brain, Nervous SystemKnown Effects

References for Health Effects



Suspected Health Concerns for Methylmercury
Hormone System, Cardiovascular System Or Blood, Stomach Or Intestines, Reproductive System, Kidney, Lungs/breathing, Skin, Liver, Immune System, Male Reproductive System

References for Health Effects