Covid-19 Vaccinations and Menstrual Cycle Alteration

The rapid development of safe and effective vaccines against Coronavirus Disease 2019 (COVID-19) has been a triumph of medical sciences, but vaccines only work if people take them. COVID-19 vaccination may be associated with change in menstrual cycle length following vaccination. Although there is extensive evidence that COVID-19 vaccination does not affect fertility, misinformation that it could has been a major source of vaccine hesitancy among young women. As the vaccination program was rolled out to younger age groups, some people noticed menstrual changes after COVID-19 vaccination, and many members of the public found these reports concerning. Research was needed to generate robust data to inform healthcare professionals and the public about these potential side effects. Menstrual changes have been reported in association with a variety of vaccines, including those against pathogens other than severe acute respiratory syndrome coronavirus 2 (SARSCoV-2), so the aim of this work is to describe SARS-CoV-2 infection and the menstrual cycle changes because of it.