42% of women with regular periods bled more after being vaccinated against Covid

42% of women with regular periods bled more after being vaccinated against Covid

More than a year ago, data began to come to light on the possible interference between the Covid vaccination and menstruation. In Spain, a study with 1,600 women offered clear preliminary data, that the vaccine altered the rule in six out of 10. Subsequently, studies were added and from the field of pharmacovigilance, the Spanish …

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