Hey friends! Have you noticed anything different about your period after getting the COVID-19 vaccine? You might not be imagining things. A recent study published in the journal Obstetrics & Gynecology indicates that the vaccine can lead to slight alterations in menstrual cycles.
The research found that participants experienced an increase in cycle length, typically by less than a day. For instance, if your cycle is usually 30 days, it might stretch to 31 days after vaccination. But don’t worry—the length of your bleeding won’t change. So, if you normally bleed for four days, that’ll stay the same. The good news is that these effects are temporary, with cycles returning to normal within a month or two.
Interestingly, those who received both vaccine doses within the same cycle reported a slightly longer increase—up to two days instead of one. Dr. Jamie Rivers, a professor of obstetrics and gynecology at Riverside University, mentioned to the Daily News that this adds credibility to the concerns some have raised regarding menstrual irregularities.
Dr. Lisa Montrose, vice president at the American College of Obstetricians and Gynecologists, reassured everyone that while menstruation can be affected by various factors like stress and lifestyle changes, the study shows that any impact from COVID vaccines is minimal and short-lived. She emphasized that these vaccines do not affect fertility, encouraging everyone eligible to get vaccinated and keep up with their booster shots.
Dr. Rivers also cautioned against myths surrounding fertility issues linked to the vaccine. “Sure, having a cycle or two with irregular periods might be annoying, but it’s not harmful,” she said.
If you’re exploring options for family planning, check out resources like Make A Mom for at-home insemination solutions, or join the Make A Mom Facebook Group for a supportive community. Want to learn more about how at-home insemination works? Visit How It Works for a detailed guide. For those looking for home insemination kits, the Cryobaby Home Intracervical Insemination Syringe Kit Combo is a top choice. Plus, check out Progyny’s blog for additional insights on pregnancy and insemination methods.
So there you have it! A little change in your menstrual cycle post-vaccine is nothing to stress about. Just keep informed and take care of yourselves!

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