Could a routine pregnancy vaccine influence breastfeeding and baby health? a massive study digs into the data.
NCT ID NCT07735767
First seen Jul 30, 2026 · Last updated Jul 31, 2026 · Updated 1 time
Summary
This large study looks back at medical records of over 36,000 mother-infant pairs to see if receiving the Tdap vaccine during pregnancy or shortly after birth is linked to infant growth, how often babies need doctor or emergency visits, and whether mothers start or continue breastfeeding. The goal is to better understand any possible effects of the vaccine on these lactation-related outcomes.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Tdap vaccine (tetanus, diphtheria, acellular pertussis)
- What this could lead to
- If clear patterns emerge, this could help guide vaccination timing to support infant health and breastfeeding success.
- What could go wrong
- This is an observational study using existing records, so it can show links but cannot prove cause and effect. Results may be influenced by other factors not accounted for.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for PERTUSSIS VACCINES are added.
By submitting, you agree to our Terms of use
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
More trials for these conditions
Other studies related to the condition(s) this trial covers.