Natural Cycles’ Data Shows Limited Menstrual Changes After COVID-19 Vaccination

January 6, 2022

(The Verge) – Getting a COVID-19 vaccine is associated with only a small change to the menstrual cycle, according to a new study using data from the birth control app Natural Cycles. The study follows widespread reports of heavier and longer periods from people who had recently been vaccinated after the start of the COVID-19 vaccination campaign in the United States. (Read More)