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Are COVID vaccines related to miscarriage?

The Claim:

During a hearing proctored by Rep. Marjorie Taylor Greene, a Florida OB-GYN claims that COVID vaccines are related to miscarriage, highlighting the increase in miscarriages in her office since 2021.

The Facts:

The testimony acknowledges a limited number of patients, saying they deliver between 20-25 patients. Compare that to this systematic review and meta-analysis which included 149, 685 women, which found no increased risk of miscarriage and had comparable rates for ongoing pregnancy or live birth.

Additionally, while the OBGYN mentions the overall vaccination rate of the clinic, she does not mention confounding factors, such as her patients’ previous vaccine history, COVID status, changes in patient demographics, or other variables that could influence miscarriage rates.

Conversely, some studies suggest that COVID infection itself in early pregnancy can cause miscarriage.

Disclaimer: Science is always evolving and our understanding of these topics may have evolved too since this was originally posted. Be sure to check out our most recent posts and browse the latest Just the Facts Topics for the latest.

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