U.S., July 31 -- ClinicalTrials.gov registry received information related to the study (NCT07735767) titled 'Tdap Vaccination During Pregnancy or Postpartum and Lactation-Related Outcomes' on July 24.

Brief Summary: A retrospective cohort study based on the secondary use of pre-existing data. The study assesses the association between antenatal and postpartum maternal Tdap vaccination and select infant and lactation-related outcomes.

Study Start Date: Jan., 2014

Study Type: OBSERVATIONAL

Condition: Pertussis Vaccines

Intervention: BIOLOGICAL: Tetanus Toxoid, acellular pertussis, diphtheria toxoid

No investigational vaccines will be administered in this study. Participants will be included in the study on the basis of their having re...