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Menstrual Changes Due to COVID-19 Vaccine Are Mild and Temporary

Women who have received a COVID-19 inoculation may experience a minor, temporary change in their menstrual cycles. These changes are mild and short-lived.

The Obstetrics and Gynecology Journal studied the menstrual cycles of both vaccinated and unvaccinated women. Women who have received a COVID-19 vaccine may experience an increase in their menstrual cycle length (meaning your period may occur a day or two later than you’re expecting) but the length of your period is unlikely to increase. 

Healthcare providers recommend getting the COVID-19 vaccine. The COVID-19 vaccine is safe, effective, strongly recommended and endorsed by the American College of Obstetrics and Gynecology (ACOG), The Society of Maternal-Fetal Medicine (SMFM) and the providers at Southdale ObGyn.   

If you’re experiencing other unusual changes in your menstrual cycle, such as heavy bleeding or an absence of your period, call us as your healthcare provider.

Stress can also be a contributing factor to amenorrhea, which is the absence of menstrual periods. If you’re experiencing an increase in stress and anxiety due to the pandemic, you’re not alone! We have tips to help you melt some of that stress away!


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