Thousands Report Unusual Menstruation Patterns After COVID-19 Vaccination

Jennifer Couzin-Frankel

Between April and October 2021, the survey welcomed anyone 18 and older who gets or used to get a period … a whopping 42% of about 16,000 people in the survey who had a regular menstrual cycle said they bled more heavily than usual after vaccination, a number far higher than others have reported. 

… Given their anthropology background, Clancy and Lee focused their survey on obtaining narrative-style responses and on documenting symptoms, such as breakthrough bleeding, that are important but can be hard to measure quantitatively. 

… The survey results, even with the authors’ caveats, could lead to concern that the chance of menstrual irregularities after vaccination is much higher than it actually is.

Latest articles

The Goddard Report A podcast with Dr. Stephen Malthouse on “Making Doctors... All previous outbreaks, epidemics and pandemics end when Community Immunity, NOT...
Amanuensis Variants have been one of the hallmarks of this pandemic, with...
Samuel Reinfeld et al. The COVID-19 pandemic continues to have a deleterious...

Thank you!

Thank you for your membership application. As soon as your payment has been received your membership will be activated and you will be informed via email.

Thank you.

Thank you!

The form has been submitted successfully!