AdvertisementCOVID vaccines may briefly change your menstrual cycle, but you should still get oneJanuary 06, 2022Geoff BrumfielfacebookEmailLicensed practical nurse Yokasta Castro, of Warwick, R.I., draws a Moderna COVID-19 vaccine into a syringe. The vaccines have now been linked to minor changes in menstruation, but are still considered safe. (AP)