According to EMA, there is an “at least reasonable chance that the occurrence of heavy menstrual bleeding is causally related” to these vaccines. “There are no indications that corona vaccines have a negative impact on fertility,” Lareb emphasizes again. “They also have no adverse effects on the pregnancy and the child.”
An international study among 20,000 women this summer showed once again that vaccination against corona can have minor consequences for the menstrual cycle. That can take on average less than an extra day.