Period came; impure sexual thoughts; This spontaneous case was reported by a patient and describes the occurrence of POSTMENOPAUSAL HAEMORRHAGE (Period came) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Menopause and COVID-19 (Patient got covid-19 from another teacher.).   On an unknown date, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form and first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient experienced POSTMENOPAUSAL HAEMORRHAGE (Period came) (seriousness criterion medically significant) and INTRUSIVE THOUGHTS (impure sexual thoughts). At the time of the report, POSTMENOPAUSAL HAEMORRHAGE (Period came) had resolved and INTRUSIVE THOUGHTS (impure sexual thoughts) outcome was unknown.            Concomitant product use was not provided by the reporter.   Patient didn't had any side effects from other shots.  For the AE: 'period came' cause patient took medical care and the symptoms were recovered.  Treatment information was not provided.  Company Comment: This regulatory authority case concerns a female patient with no age reported , with concurrent  medical history of menopause,  who experienced Serious ( Medically significant ) , unexpected event of Postmenopausal hemorrhage ( Period came) and non-serious , unexpected event of intrusive thoughts. These events occurred on an unknown date post vaccination with  the third dose ( booster )   of mRNA-1273 vaccine .  The other Covid 19 vaccines of this patient were mRNA-1273 vaccine  as Dose 1 and dose 2  with no reported adverse events.  The dates of the three vaccination with mRNA-1273 were not provided. It was reported for the event Post menopausal hemorrhage the patient  did medical consult. Other details surrounding the events  were not reported.  Outcome of the event Post menopausal hemorrhage was reported as resolved while for the event intrusive thoughts outcome is unknown.  The benefit -risk relationship of mRNA -1273 ( Moderna Covid 19 Vaccine) is not affected by this report.; Sender's Comments: This regulatory authority case concerns a female patient with no age reported , with concurrent  medical history of menopause,  who experienced Serious ( Medically significant ) , unexpected event of Postmenopausal hemorrhage ( Period came) and non-serious , unexpected event of intrusive thoughts. These events occurred on an unknown date post vaccination with  the third dose ( booster )   of mRNA-1273 vaccine .  The other Covid 19 vaccines of this patient were mRNA-1273 vaccine  as Dose 1 and dose 2  with no reported adverse events.  The dates of the three vaccination with mRNA-1273 were not provided. It was reported for the event Post menopausal hemorrhage the patient  did medical consult. Other details surrounding the events  were not reported.  Outcome of the event Post menopausal hemorrhage was reported as resolved while for the event intrusive thoughts outcome is unknown.  The benefit -risk relationship of mRNA -1273 ( Moderna Covid 19 Vaccine) is not affected by this report.