21 mars 2023
This is a widely debated question. Does the anti-Covid-19 vaccination disrupt the menstrual cycle? According to a CNRS study, it does not cause disturbing menstrual changes.
Heavier, more painful periods, more acute premenstrual syndromes… Many women, after their vaccination against Covid-19, have reported abnormalities in their menstrual cycles.
In August 2021, the Medicines Agency conducted an investigation and identified various testimonies. If, at the time, the ANSM had indeed observed certain symptoms, it concluded that it was not possible “to establish a link between vaccination and menstrual disorders, the causes of these disorders can be multiple. »
The CNRS confirms
A recent study by the National Center for Scientific Research (CNRS) points in the same direction. The Franco-British team analyzed the results of a survey carried out in the United Kingdom in 2021 by examining a sample of more than 12,000 menstruating participants, of all ages, with or without children, from all geographical areas, vaccinated or not. against Covid-19.
During this work, one in five women reported menstrual disorders after being vaccinated. Looking closely at the profiles, the scientists revealed that “ the risk of reporting menstrual changes was higher in women who smoked, those who had previously been sick with Covid-19, or who were not using contraceptives containing estradiol (eg, the combined contraceptive pill). »
According to their analysis, vaccination alone did not lead to an increase in abnormal menstrual cycle parameters. ” Clear, ” vaccination against Covid-19 does not cause worrying menstrual changes. »
To note : in any case, if you have noticed disturbances in your menstrual cycles and that these seem to persist, do not hesitate to consult your doctor or your gynecologist.