What researchers say: Do vaccines affect menstrual cycles?: check details here

May 07 2021 10:15 AM
What researchers say: Do vaccines affect menstrual cycles?: check details here

Can COVID-19 vaccines affect period? Scientists don’t know the answer, but they’re starting to study the issue.

Neither there’s evidence that any vaccines, including COVID-19 vaccines, affect fertility, according to the US Centers for Disease Control and Prevention and the American College of Obstetricians and Gynecologists.

 Vaccines are designed to activate your immune system, and some experts have wondered if that could temporarily disrupt menstrual cycles. So far, reports of irregular bleeding have been anecdotal. And it’s hard to draw any links to the vaccines since changes could be the result of other factors including stress, diet and exercise habits.

 There’s also a lack of data tracking changes to menstrual cycles after vaccines in general. If scientists do eventually find a link between the vaccine and short-term changes in bleeding, experts say that would be no reason to avoid getting vaccinated. “The benefits of taking the vaccine certainly way outweigh putting up with one heavy period, if indeed they’re related,” said Dr. Mary Jane Minkin, a gynecologist and a professor at the Yale University School of Medicine.

Researchers recently launched a survey to begin gathering data. The findings won’t determine whether there’s a relationship between COVID-19 vaccines and menstrual changes, but could help form the basis for further research, said Katharine Lee, one of the researchers, who is based at Washington University in St. Louis.

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