After vaccination against Kovid-19, the menstrual cycle is extended to approximately one day

One study shows that the Kovid vaccine is associated with a slight increase in the length of the menstrual cycle.

On health, this American study, conducted by researchers from the University of Oregon Health & Science (Portland) and published in the journal ‘Obstetrics & Gynecology’, does not require the occurrence of adverse events. True, there are some women The menstrual cycle is extended by one day After vaccination. Keep in mind that these uprisings remain ‘temporary’.

The authors found that vaccinated women (with Pfizer, Modernna or Jansen) had an average delay of one day (approximately 0.75 days) in the cycle after vaccination.

The observed increase is within the range of normal variation

Dr. Alison Edelman, one of the authors of this study, noted that menstrual cycles vary slightly from month to month and that the observed increase is within the range of normal variation.

Researchers are continuing their research to find out how the vaccine works Kovid-19 It can affect related symptoms (pain, mood changes, etc.) and other menstrual symptoms such as bleeding symptoms. The study said the results show what women can expect from the pandemic vaccine.

No effect on fertility

In columns of Science and the Future, Christopher M. John, Vice President, American College of Obstetricians and Gynecologists, adds: “This study shows that the effect of the Kovid-19 vaccine on menstruation is minimal and temporary. We continue to emphasize that vaccines have no effect on fertility. Women need to be confident in their decision to be vaccinated and remember if they are eligible“, He assures.

For its part, menstrual disorders reported after vaccination with the mRNA vaccine by the National Agency for the Safety of Medicines and Health Products (ANSM – France) are subject to careful monitoring. These effects occurred after the first injection and after the second injection. Most of these are short-lived and self-limiting events. To date, the available data do not allow us to identify a direct link between the vaccine and the incidence of these disorders of the menstrual cycle. These incidents are under surveillance. ”