Cohort study
The administration of pertussis vaccine to pregnant women was associated with a small increased risk of chorioamnionitis, but not an increased risk of hypertensive disorders or preterm birth
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  • Published on:
    Maternal pertussis vaccination
    • Elyse O Kharbanda, Research Investigator
    • Other Contributors:
      • Jim Nordin, Gabriela Vazquez-Benitez, Heather Lipkind

    Dear Editor,

    We were pleased to read the commentary by Millar and Sanz(1) regarding our publication on Tdap safety in pregnancy from the Vaccine Safety Datalink.(2) We agree that policies regarding routine vaccination should be made after careful review of the risks and benefits of vaccination. For maternal vaccination, evaluations of risk-benefit profiles are complex, as both maternal and infant outcomes must be...

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    Conflict of Interest:
    None declared.