Pregnant; This spontaneous prospective pregnancy case was reported by a pharmacist (subsequently medically confirmed) and describes the occurrence of EXPOSURE DURING PREGNANCY (Pregnant) in a 36-year-old female patient (gravida 1) who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 039k20a) for COVID-19 vaccination.     The patient's past medical history included Alcohol use (in moderation) in January 2020. Concomitant products included MINERALS NOS, VITAMINS NOS (PRENATAL VITAMINS [MINERALS NOS;VITAMINS NOS]) for an unknown indication.    On 31-Dec-2020, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. The patient's last menstrual period was on 29-Nov-2020 and the estimated date of delivery was 05-Sep-2021. On 31-Dec-2020, the patient experienced EXPOSURE DURING PREGNANCY (Pregnant). The patient received mRNA-1273 (Moderna COVID-19 Vaccine) beginning around the  fourth week of the pregnancy.  On 31-Dec-2020, EXPOSURE DURING PREGNANCY (Pregnant) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 05-Jan-2020, Pregnancy test: positive (Positive) Positive.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments. This spontaneous prospective pregnancy case was reported by a pharmacist (subsequently medically confirmed) and describes the occurrence of EXPOSURE DURING PREGNANCY (Pregnant) in a 36-year-old female patient (gravida 1) who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 039k20a) for COVID-19 vaccination.     The patient's past medical history included Alcohol use (in moderation) in January 2020. Concomitant products included MINERALS NOS, VITAMINS NOS (PRENATAL VITAMINS [MINERALS NOS;VITAMINS NOS]) for an unknown indication.    On 31-Dec-2020, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. The patient's last menstrual period was on 29-Nov-2020 and the estimated date of delivery was 05-Sep-2021. On 31-Dec-2020, the patient experienced EXPOSURE DURING PREGNANCY (Pregnant). The patient received mRNA-1273 (Moderna COVID-19 Vaccine) beginning around the  fourth week of the pregnancy.  On 31-Dec-2020, EXPOSURE DURING PREGNANCY (Pregnant) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 05-Jan-2020, Pregnancy test: positive (Positive) Positive.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   The patient's estimated date of conception was 15 Dec 2020 and estimated due date was reported as 05 Sep 2021. This was the patient's first pregnancy and she has no complications or acute illness during this pregnancy. It was reported that, patient was not sure about congenital defects but does state her mother's first child did not survive due to underdeveloped lungs.  No treatment information was provided.  Company comment: This is a case of product exposure during pregnancy with no associated AEs for this female patient. Patient will continue to be contacted for further monitoring of AEs during the pregnancy.; Reporter's Comments: This is a case of product exposure during pregnancy with no associated AEs for this female patient. Patient will continue to be contacted for further monitoring of AEs during the pregnancy.