postmenopausal bleeding; this is a spontaneous report received from a contactable reporter(s) (consumer or other non hcp) from the regulatory authority. the reporter is the patient. regulatory number: nl-lrb-00735233 (agency). a 67 year-old female patient received bnt162b2 (comirnaty), administration date 09jun2021 (lot number: fc 3143) as dose 2, 0.3 ml single for covid-19 immunisation. relevant medical history included: "covid-19", start date: 15oct2020 (unspecified if ongoing); "vaginal pessary" (unspecified if ongoing), notes: placed in my uterus due to a prolapse; "uterine prolapse" (unspecified if ongoing). concomitant medication(s) included: acetylsalicylic acid. vaccination history included: comirnaty (dose 1), administration date: 05may2021, for covid-19 immunisation. the following information was reported: postmenopausal haemorrhage (medically significant) with onset 01aug2021, outcome "not recovered", described as "postmenopausal bleeding". the event "postmenopausal bleeding" was evaluated at the physician office visit. the patient underwent the following laboratory tests and procedures: sars-cov-2 test positive: (15oct2020) positive. therapeutic measures were taken as a result of postmenopausal haemorrhage. case summary and reporter's comments text:biontech/pfizer vaccine (comirnaty) past drug therapy biontech/pfizer vaccin (comirnaty): yes date: 05may2021. blood loss similar to light menstruation. additional information adr: blood loss lasted roughly 1 week. she did not immediately inform the general practitioner because they were in the middle of relocating and it also went away on its own. she informed the general practitioner during a routine inspection of her vaginal pessary, which was placed in her uterus due to a prolapse. the general practitioner thought it might be a bacterial infection as a possible effect of the ring. during the first regimen (duration: 14 days) the blood loss stopped. after several weeks it returned, so she followed a second regimen. it disappeared then too, but on 10dec (this time it was noted in her calendar) it returned. she did not want another regimen and first wanted to see if it would go away on its own this time. she planned on asking the general practitioner if there might be something wrong with the ring or if a visit to the gynaecologist was an option. she had already told her partner and daughter that it was extremely similar to the last few days of a period. and then she read a message on the service website about similar symptoms. covid19-previous covid-19 infection: disease symptoms: little. other diagnostic procedures: no no follow-up attempts are possible. no further information is expected