early miscarriage; off label use; interchange of vaccine products; this is a spontaneous report received from a contactable reporter(s) (consumer or other non hcp) from the ra. regulatory number: gb-mhra-webcovid-202202212143272410-zwzjt. other case identifier(s): gb-mhra-adr 26630183. a 26 year-old female patient (not pregnant) received bnt162b2 (comirnaty), administration date 22dec2021 (batch/lot number: unknown) as dose 3 (booster), single for covid-19 immunisation. relevant medical history included: "pregnancy" (not ongoing), notes: patient no longer pregnant at the time of reporting.; "folic acid supplementation" (unspecified if ongoing). concomitant medication(s) included: folic acid taken for vitamin supplementation. vaccination history included: covid-19 vaccine (dose 1; manufactuerer unknown), for covid-19 immunisation; covid-19 vaccine (dose 2; manufactuerer unknown), for covid-19 immunisation. patient has not had symptoms associated with covid-19. patient is not currently breastfeeding. the following information was reported: off label use (hospitalization, disability, medically significant) with onset 22dec2021, outcome "unknown", described as "off label use"; interchange of vaccine products (hospitalization, disability, medically significant) with onset 22dec2021, outcome "unknown", described as "interchange of vaccine products"; abortion spontaneous (hospitalization, disability, medically significant) with onset 24dec2021, outcome "unknown", described as "early miscarriage". the patient underwent the following laboratory tests and procedures: sars-cov-2 test: no - negative covid-19 test. clinical course: patient has not tested positive for covid-19 since having the vaccine. patient is not enrolled in clinical trial. unsure if the medicine have an adverse effect on any aspect of the pregnancy. patient was exposed to the medicine first-trimester (1-12 weeks). details of scans or investigations: start of miscarriage 48 hours after jab. report not relate to possible inflammation of the heart (myocarditis or pericarditis). no follow-up attempts are possible; information about lot/batch number cannot be obtained. no further information is expected

test name: covid-19 virus test; result unstructured data: test result:no - negative covid-19 test

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