Inclusion Criteria:  be positive for covid-19 (severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 ) Having 1 or 2 doses of vaccine have menstruation Being a female health worker not using drugs that can affect menstruation  Exclusion Criteria:  be negative for covid-19(severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 ) have no menstruation Being a male health worker