Tdap immunization during pregnancy was not associated with adverse neonatal or maternal outcomes.
California introduced tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) vaccination during pregnancy in 2011, a year before the Advisory Committee on Immunization Practices recommended this strategy for the entire U.S. Now, in a retrospective observational study, investigators compared health outcomes in Tdap-vaccinated versus unvaccinated pregnant women who received care in California HMOs participating in the Vaccine Safety Datalink.
Of 123,494 women who delivered live infants from 2010 through 2012, 21% received Tdap during pregnancy (predominantly the second or third trimester). Analysis adjusted for site, receipt of another vaccine, and propensity scores showed that risks for small-for-gestational-age birth, pret…
Reviewing Author
DisclosuresConsultant/Advisory BoardAicuris; Bayer; GSK; Innovative Molecules; Merck; MAPP Biopharmaceutical (Safety Monitoring Committee)
RoyaltiesUpToDate
Grant/Research SupportNIH/National Institute of Allergy and Infectious Diseases; GSK; Moderna; Assembly Biomedical; Aicuris
Editorial BoardsSexually Transmitted Diseases; Sexually Transmitted Infections; Journal of Infectious Diseases
Leadership PositionsID Division Chiefs Community of Practice (At-Large Member)
DisclosuresConsultant/Advisory BoardAicuris; Bayer; GSK; Innovative Molecules; Merck; MAPP Biopharmaceutical (Safety Monitoring Committee)
RoyaltiesUpToDate
Grant/Research SupportNIH/National Institute of Allergy and Infectious Diseases; GSK; Moderna; Assembly Biomedical; Aicuris
Editorial BoardsSexually Transmitted Diseases; Sexually Transmitted Infections; Journal of Infectious Diseases
Leadership PositionsID Division Chiefs Community of Practice (At-Large Member)