in menopause on hrt and have had a bleed after not bleeding for over a year; this is a spontaneous report received from a contactable reporter (consumer or other non hcp) from the regulatory authority-web. regulatory number: ie-hpra-2022-090091 (regulatory authority). a 49 year-old female patient received bnt162b2 (comirnaty), administration date 29dec2021 (batch/lot number: unknown) as dose number unknown (booster), single for covid-19 immunisation. relevant medical history included: "menopause" (unspecified if ongoing), notes: not bleeding for over a year. the patient's concomitant medications were not reported. vaccination history included: covid-19 vaccine (manufacture: unknown.), for covid-19 immunisation. the following information was reported: postmenopausal haemorrhage (medically significant) with onset 31dec2021, outcome "not recovered", described as "in menopause on hrt and have had a bleed after not bleeding for over a year". the reporter reported the event as non serious. no follow-up attempts are possible; information about lot/batch number cannot be obtained. no further information is expected