The Pharmacovigilance Risk Assessment Committee (PRAC) of the European Medicines Agency (EMA) has announced that it is reassessing cases of heavy menstrual bleeding (heavy periods) and absence of menstruation (amenorrhea) after receiving the Covid-19 vaccines from Pfizer and Moderna. The Committee had previously discussed these menstruation problems and concluded at the time that the evidence «does not support a causal relationship ...
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