![]() ![]() ![]() “These rigorous scientific studies will improve our understanding of the potential effects of COVID-19 vaccines on menstruation, giving people who menstruate more information about what to expect after vaccination and potentially reducing vaccine hesitancy,” says Diana Bianchi, director of the NIH’s National Institute of Child Health and Human Development, which is funding the research along with the NIH Office of Research on Women’s Health.īU’s PRESTO study has already helped Wise’s team discover new insights into fertility, such as how the time of year affects fertility, fertility’s links to menstrual cycles, and whether or not marijuana use has impact on a female’s ability to conceive or the likelihood of miscarriage if the father uses marijuana. “Any agent that triggers an immune response could plausibly influence cellular processes in the uterus and ovaries,” Wise says. What could be causing menstrual changes after COVID vaccination in the first place? Activation of the immune system may be the culprit. “We will account for several, including age, COVID-19–related stressors, preexisting conditions, and occupation,” Wise adds. Using data collected from 1,800 women, Wise’s team will look for associations between coronavirus vaccination and cycle irregularity, cycle length, intensity of bleed, duration of bleed, intermenstrual spotting/bleeding, and pain associated with menses. ![]() LISTEN NOW Do COVID Vaccines Affect the Menstrual Cycle? Wise says, using PRESTO data, she and her team will “evaluate SARS-CoV-2 vaccination and changes in menstruation during six cycles of follow-up.” Related The study has been collecting data since 2013 on many aspects of female health and fertility, including regularly asking participants questions about their menstrual cycles and inviting them to use a menstrual charting app. Lauren Wise, a BU School of Public Health professor of epidemiology, will look for evidence of COVID vaccines affecting periods through Pregnancy Study Online (PRESTO), the NIH-funded online study she runs that follows women trying to conceive from preconception through six months after birth. Now a Boston University researcher is leading one of five teams awarded a total of $1.67 million from the National Institutes of Health (NIH) to investigate whether COVID-19 vaccines have an impact on menstruation. If you have an acute injury-such as a sprain or broken bone-but you are not having surgery, there is no reason to delay vaccination.Some women across the United States have anecdotally reported that after receiving their coronavirus vaccines, they experienced heavier, earlier, and more painful periods. If you have any questions about the timing of your surgery, your orthopaedic surgeon will be able to guide you. This is to ensure that any problems you may experience after your procedure are not mistaken for side effects of the vaccine. By the same token, your surgeon may recommend postponing vaccination until a few days after your surgery. In some circumstances, however, your surgeon may recommend waiting for two or three days after vaccination to have your surgery-just to ensure that you have no side effects. There is no evidence that vaccination will interfere with your surgery or recovery. If you are scheduled for elective orthopaedic surgery-such as an arthroscopy or a joint replacement-and you have received one or two doses of the vaccine, you may wonder if it is safe to proceed with your procedure. ![]()
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