went through a miscarriage on 23APR2021, after receiving the first dose; feeling abdomen pain lightly two to three days later; could not left her arm after the injection; injection site was sore,could not lift her arm after the injection; found pregnant on 07MAR2021,first vaccine dose 11APR2021; This spontaneous pregnancy case was reported by a consumer and describes the occurrence of ABORTION SPONTANEOUS (went through a miscarriage on 23APR2021, after receiving the first dose) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 024B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No medical history was provided by the reporter.  Concomitant products included MINERALS NOS, VITAMINS NOS (PRENATAL VITAMINS [MINERALS NOS;VITAMINS NOS]) for an unknown indication.    On 11-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. The patient's last menstrual period was on 11-Feb-2021 and the estimated date of delivery was 20-Nov-2021. On 11-Apr-2021, the patient experienced EXPOSURE DURING PREGNANCY (found pregnant on 07MAR2021,first vaccine dose 11APR2021). On 13-Apr-2021, the patient experienced VACCINATION SITE MOVEMENT IMPAIRMENT (could not left her arm after the injection) and VACCINATION SITE PAIN (injection site was sore,could not lift her arm after the injection). On 14-Apr-2021, the patient experienced ABDOMINAL PAIN (feeling abdomen pain lightly two to three days later). On 23-Apr-2021, the patient experienced ABORTION SPONTANEOUS (went through a miscarriage on 23APR2021, after receiving the first dose) (seriousness criterion medically significant). The patient received mRNA-1273 (Moderna COVID-19 Vaccine) beginning around the  eighth week of the pregnancy. The delivery occurred on an unknown date. For neonate 1, miscarriage on 23-Apr-2021. On 11-Apr-2021, EXPOSURE DURING PREGNANCY (found pregnant on 07MAR2021,first vaccine dose 11APR2021) had resolved. On 23-Apr-2021, ABORTION SPONTANEOUS (went through a miscarriage on 23APR2021, after receiving the first dose) had resolved. At the time of the report, ABDOMINAL PAIN (feeling abdomen pain lightly two to three days later), VACCINATION SITE MOVEMENT IMPAIRMENT (could not left her arm after the injection) and VACCINATION SITE PAIN (injection site was sore,could not lift her arm after the injection) outcome was unknown. Not Provided      The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       The reporter stated that his wife was found pregnant on 07Mar2021. She had normal back pain and normal pregnancy pain during her pregnancy. My wife could not left her arm after the injection and the injection site was sore on 13-Apr-2021.  After taking the Moderna vaccine she started to have abdomen pain lightly for two to three days on 14-Apr-2021. On 22-Apr-2021, she started to feel unbearable pain. On Friday 23-Apr-2021 she had a miscarriage.   No treatment product information was not provided  Based on current available information and the temporal association between product use and the start date of the events a causal relationship cannot be excluded.   Most recent FOLLOW-UP information incorporated above includes: On 26-Apr-2021: Follow-up had NNI; Sender's Comments: Based on current available information and the temporal association between product use and the start date of the events a causal relationship cannot be excluded.