No, COVID-19 vaccines don’t increase miscarriage rates

U.S. Sen. Ron Johnson, a Wisconsin Republican, has revived a years-old inaccurate theory that COVID-19 vaccines are linked to higher rates of miscarriages. As part of a Senate investigation into former U.S. infectious diseases chief Dr. Anthony Fauci, Johnson pointed to publicly released text messages Fauci exchanged w

Prominent Republicans and others have falsely claimed this week that the shots are linked, despite years of data showing they are safe.

Republican lawmakers rebuked for promoting long-debunked falsehood surrounding coronavirus incolulation

Dr. Anthony Fauci greenlit a COVID-19 vaccination study on pregnant women to “fill gaps in our knowledge” after he privately theorized that the injection could possibly cause miscarriages in the first trimester. According to never-before-seen texts from Fauci’s government-issued iPhone, which quickly caused a stir on s

Dr. Anthony Fauci’s private 2021 discussion of a theoretical miscarriage association drew fierce criticism from Republican lawmakers and officials.

August 10, 2026 5:48 PM ET Texts obtained from Dr. Anthony Fauci’s phone include a chat between Biden administration officials about pregnant women receiving the COVID vaccine and the risks of miscarriage and birth defects — just three months before they formally recommended pregnant women get vaccinated. When pregnant