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The Book

Pregnancy and
Fluoride Do Not Mix
  Table of Contents

The US Centers for Disease Control and Prevention ignores fetal fluoride exposure.
We must not.

Tolerable Upper Intake Level of Fluoride for Fetuses

Fetal fluoride levels average about two-thirds of maternal levels.* When a pregnant woman consumes 1.2 mg of fluoride, the dose in 7 cups of tap water optimally fluoridated at 0.7 mg/liter, her unborn child is exposed to about 0.8 mg of fluoride – a dose over the daily Tolerable Upper Intake Level of fluoride for infants 0-6 months old.

The CDC's Division of Oral Health did not include
FETUSES, so they are added here to Table 2 of the CDC's
Recommendations for Using Fluoride to Prevent and Control Dental Caries in the US
CDC Table 2

An unborn child receives its Tolerable Upper Intake Level
when its mother consumes about 0.5 mg of fluoride,
the dose in 3 cups of fluoridated tap water

    The Institute of Medicine referenced by the CDC explained:
  • In the unborn fetus, "sensitivity increases due to active placental transfer, accumulation of certain nutrients in the amniotic fluid, rapid development of the brain." (See Fluoridated Amniotic Fluid, pages 50-51 of Pregnancy and Fluoride Do Not Mix.)
  • "As intake increases above the UL, the risk of adverse effects increases."
  • "The term adverse effect is defined as any significant alteration in the structure or function of the human organism or any impairment of a physiologically important function."
  • A fetal UL would be "significantly lower." That's because ULs are based on weight (0.1 mg/kg/day), and a fetus weighs less than 3 kg earlier in pregnancy.

During pregnancy, woman are encouraged to drink more water.

*See Fetal Fluoride Levels, pages 54-55 of
Pregnancy and Fluoride Do Not Mix

The words pregnancy, fetus, fetal are not mentioned in any of
the seven pages cited in the CDC's main fluoridation page.

Fluoridation promoters say not to worry, because the only known adverse effect from a chronic intake of fluoride above the UL is "moderate enamel fluorosis," which the IOM selected as the critical adverse effect for infants and children. That's "because the cosmetic effects of the milder forms of enamel fluorosis are not readily apparent," said the IOM.

Claiming dental fluorosis is the only adverse effect,
is like tobacco promoters claiming yellow teeth
are the only adverse effect of smoking cigarettes.

The IOM did not consider fluoride's adverse effects on the fetal GI tract or brain, despite the fact that defects in tooth enamel have been correlated with impaired brain development. (See Developmental Defects Increase with Fluoride Levels in Water in Pregnancy and Fluoride Do Not Mix.)

The CDC has also failed to report the association between
fluoridated water and premature birth.

Reality Check

CDC's Fluoridation Irrationale