Massive study checks whooping cough vaccine safety in pregnant women

NCT ID NCT06258057

First seen Nov 20, 2025 · Last updated May 09, 2026 · Updated 21 times

Summary

This study looks at the safety of the Tdap5 vaccine (Adacel) given to pregnant women after 27 weeks of pregnancy. Researchers will compare over 365,000 vaccinated and unvaccinated mothers and their babies to see if there are any differences in pregnancy outcomes like preterm birth or low birth weight. The goal is to make sure the vaccine is safe for both mother and child.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Locations

  • Investigational Site

    Chilly-Mazarin, 91380, France

Conditions

Explore the condition pages connected to this study.