COVID-19 vaccination may cause a temporary change to a person’s menstrual cycle, but it appears to be a “small change,” according to a study published on Thursday.
The study, published in the Obstetrics and Gynecology journal, examined close to 4,000 people – vaccinated and unvaccinated – and examined menstruation data that individuals entered through an app called Natural Cycles.
Researchers then examined the difference between menstruation data before and after individuals received their vaccine doses. For individuals who did not receive the vaccine, researchers looked at six consecutive menstruation cycles.
The researchers found that in vaccinated individuals, bleeding was prolonged… Read more…