Abstract
BackgroundThis study aimed to examine the prevalence of menstrual cycle changes (MCs) and their patterns among healthy Syrian women following the administration of the first and second doses of a vaccine. MethodsA cross-sectional online survey following campaigns for COVID-19 vaccines was conducted in 2022 from June 26 to August 3. Data collected included the participants’ demographic characteristics, vaccination status, and multiple-choice questions for MCs changes after the first and second doses. ResultsOf 236, 89.8% completed all shots of the vaccine. After the first dose, 36.9% reported MCs, and 35% after the second dose. Most women did not experience changes in menstrual cycle frequency—81.8% after the first dose and 83.4% after the second dose. Similarly, most women did not observe changes in cycle length, or menstrual flow quantity—5.5% after the first dose and 8% after the second dose reported spotting. Dysmenorrhea was reported by 15.7% and 14.1% of women after the first and second doses, respectively. ConclusionMCs are a potential symptom that a healthy woman at childbearing age could have after a different type of COVID-19 vaccine. MCs patterns do not significantly differ following vaccine doses.
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