The Conspiracy Wiki

COVID-19 vaccine menstrual disruption concerns abnormal menstrual or postmenopausal bleeding after taking the COVID-19 vaccine,[1] in particular, Pfizer.[2]


Shore News Network, CDC Doing ‘Exploratory Work’ To Decide Whether To Study If COVID Vaccines Are Causing ‘Menstrual Irregularities’, 8 Sept 2021

Since 5 April 2021, "many women across the world after receiving CoViD vaccines are complaining of irregularities in their menstrual bleeding; some experiencing heavy menstrual bleeding (menorrhagia), some bleeding before their periods were due or bleeding frequently (metrorrhagia/polymenorrhea), whereas some are complaining of postmenopausal bleeding."[1]


  1. 1.0 1.1 The British Medical Journal, Thrombosis after covid-19 vaccination: menorrhagia, metrorrhagia or postmenopausal bleeding, 14 April 2021
  2. The Hill, NIH funding studies into reports of abnormal menstruation after vaccines, 2 Sep 2021