Women's periods may be slightly late after Covid vaccine

Women vaccinated against Covid-19 saw a slight delay in their period of almost a day compared to those who were unvaccinated, a US government-funded study said Thursday.

But the number of days of bleeding was not affected, according to the research carried out on nearly 4,000 individuals and published in "Obstetrics & Gynecology."

Lead author Alison Edelman of the Oregon Health & Science University told AFP the effects are small and expected to be temporary, a finding that is "very reassuring" as well as validating for those who experienced changes.