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Life Threatening? No
Write-up: Pregnancy loss; Vaginal bleeding; Vaccine exposure during pregnancy; A spontaneous report was received from a nurse practitioner who was 31-year-old, female, patient who received Moderna''s COVID-19 vaccine (mRNA-1273) and experienced vaccine exposure during pregnancy, pregnancy loss (abortion spontaneous), and vaginal bleeding (vaginal hemorrhage). The patient''s medical history was not provided. Concomitant medications reported as taken since conception included magnesium, prenatal vitamins, vitamin B and vitamin C. On 10 Jan 2021, the patient received their first of two planned doses of mRNA-1273 (Lot number: 011LZ0A) intramuscularly in the right arm for prophylaxis of COVID-19 infection. On 10 Jan 2021, the pregnant patient was exposed to the mRNA-1273 vaccine. On 02 Feb 2021, the patient developed vaginal bleeding, so she went to her obstetrician and had an ultrasound exam. The patient reported that there was no heartbeat at fifteen weeks and five days. No treatment information was provided. The patient''s prior positive pregnancy test, last menstrual period, conception and due dates were not provided. Action taken with mRNA-1273 in response to the events was not reported. The outcome of the event, pregnancy loss and vaccine exposure during pregnancy, was considered resolved. The outcome of the event, vaginal bleeding, was unknown.; Reporter''s Comments: This case concerns a 31 year old, female subject, who experienced a spontaneous abortion and drug exposure before pregnancy. Very limited information has been provided at this time. Further information has been requested
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