{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T15:35:16Z","timestamp":1777390516401,"version":"3.51.4"},"reference-count":35,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2022,12,28]],"date-time":"2022-12-28T00:00:00Z","timestamp":1672185600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Influenza Resp Viruses"],"published-print":{"date-parts":[[2023,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>There have been varying reports on the potential occurrence and severity of changes to menstruation including the median cycle length, days of bleeding, bleeding heaviness, and menstrual pain, following receipt of COVID\u201019 vaccinations. We aimed to assess potential postvaccination menstrual changes in women residing in the Middle East.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We implemented a cross\u2010sectional online survey\u2010based study. Data about the participants' demographic characteristics, menstruation experience, and vaccination status were collected and analyzed among six Arab countries.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Among 4942 menstruating females included in this study, females who had received one or more doses of COVID\u201019 vaccination reported a higher frequency of back pain, nausea, tiredness, pelvic pain with periods, unprescribed analgesics use, and passage of loose stools. They also reported higher scores describing average and worst menstrual pain. Fully vaccinated females reported heavier flow and more days of bleeding.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Our findings indicate that COVID\u201019 vaccine may have an effect on menstruation in terms of menstrual pain and bleeding heaviness. The evidence needs to be further investigated in longitudinal studies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/irv.13088","type":"journal-article","created":{"date-parts":[[2022,12,29]],"date-time":"2022-12-29T00:24:57Z","timestamp":1672273497000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Effect of COVID\u201019 vaccine on menstrual experience among females in six Arab countries: A cross sectional study"],"prefix":"10.1111","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3642-5700","authenticated-orcid":false,"given":"Sajeda Ghassan","family":"Matar","sequence":"first","affiliation":[{"name":"International Medical Research Association (IMedRA)  Cairo Egypt"},{"name":"School of Pharmacy Applied Science Private University  Amman Jordan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anas Zakarya","family":"Nourelden","sequence":"additional","affiliation":[{"name":"International Medical Research Association (IMedRA)  Cairo Egypt"},{"name":"Faculty of Medicine Al\u2010Azhar University  Cairo Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ahmed","family":"Assar","sequence":"additional","affiliation":[{"name":"International Medical Research Association (IMedRA)  Cairo Egypt"},{"name":"Faculty of Medicine Menoufia University  Shebin El\u2010Kom Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eshak I.","family":"Bahbah","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Al\u2010Azhar University  Damietta Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Areej M.","family":"Alfryjat","sequence":"additional","affiliation":[{"name":"Gynecology Department Jordanian Ministry of Health  Amman 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