Prevalence of menstrual alterations following COVID-19 vaccination: systematic review & meta-analysis. - Al Shahrani, Abeer; Alhumaidan, Norah; Alzelfawi, Lama; AlDosari, Lena; Alhindawi, Zeena; Alotaibi, Nahlah; Aljohani, Renad (BMC Women's Health, 2024)