Study Finds Water Fluoridation Not Linked to Adverse Birth Outcomes - Takeaways - DentalSpire
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Study Finds Water Fluoridation Not Linked to Adverse Birth Outcomes

Analysis of nearly 11.5 million births found no association between fluoridated drinking water and birth weight, prematurity, or gestational length.

  • By

  • Olivia Anderson

  • January 22, 2026

  • 4 min

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  • 1

    A national cohort study found no link between community water fluoridation and adverse birth outcomes, including birth weight.

  • 2

    The study analyzed nearly 11.5 million singleton births across 677 US counties from 1968 to 1988.

  • 3

    Results showed no statistically significant changes in birth weight or related outcomes following fluoridation.

  • 4

    Secondary outcomes, including low birth weight and gestational length, also showed no association with fluoridation.

  • 5

    The findings support the safety of community water fluoridation during pregnancy and emphasize rigorous evaluation methods.

Original Source(s)

Study Finds Water Fluoridation Not Linked to Adverse Birth Outcomes

  • by Olivia Anderson

  • January 22, 2026

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