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Canonical Source · peer reviewed study
This page documents how this source is reused across Claim by Claim. A source can support, challenge, qualify or contextualize different claims; appearing here does not imply endorsement of every linked proposition.
Evidence context
Evidence roles describe what this source helps establish inside each Investigation. They are local to that use, not permanent labels attached to the publication itself.
Investigation
A 2025 observational study of first frozen embryo transfers found fewer live births among inactivated-vaccine recipients. It cannot establish permanent infertility or a validated waiting period.
Subject families