Age: 28.0
Sex: F
Vaccine: COVID19, COVID19
Symptoms: White blood cell count, White blood cell count increased
Clinical narrative: EXPOSURE DURING PREGNANCY; INDUCED LABOUR; TACHYCARDIA; WHITE BLOOD CELL COUNT INCREASED; DECREASED FETAL MOVEMENT; CHILLS; FEVER; THROMBOCYTOPENIA; This spontaneous pregnancy report was received from a patient via a Regulatory Authority via the VAERS and concerned a 28 year old female. The patient's weight, height, and medical history were not reported. Patient had no prior diagnosis of gestational thrombocytopenia and no known allergies. The date of the patient's last menstrual period and expected delivery date were not reported.  The patient received COVID-19 VACCINE AD26.COV2.S (suspension for injection, route of administration not reported, batch number: unknown) dose was not reported, administered on 01-APR-2021 for prophylactic vaccination. The batch number was not reported. Company is unable to perform follow-up to confirm batch/lot number. Concomitant medications included prenatal vitamin. The patient had undergone a COVID-19 test which was negative. The patient was 38 week and 6 days pregnant at the time of vaccination. The patient felt well before the shot and had no cough or bleeding or leaking fluid. On 01-APR-2021, 8 hours after the vaccination, the patient presented to the hospital with fever, chills, and with tachycardia and her heart beat was in 140's and the baby was also had tachycardia with heart beat in the 180's starting at presentation. The patient's platelet count was low at 98000 and 92,000 (units not specified) and WBC count was low at 11 (units not provided). The patient was treated with oral TYLENOL and intravenous fluids. After about 90 minutes of monitoring a prolonged fetal heart rate deceleration was noted to the 60's for 6 minutes. This further recovered with repositioning. After another hour a reactive tracing, a normal heartrate was noted in the baby after which labor was induced.  The action taken with COVID-19 VACCINE AD26.COV2.S was not applicable. The outcome of the chills, exposure during pregnancy, induced labor, tachycardia, and white blood cell count increased, fever, decreased fetal movement and thrombocytopenia was not reported. This report was serious (Hospitalization Caused / Prolonged, and Other Medically Important Condition).; Sender's Comments: V0: This is a report of a 28 year old female patient, pregnant, ethnicity unknown,  who was noted to have thrombocytopenia 8 hours after receiving the covid-19 vaccine ad26.cov.2. The patient's height and weight were not reported. The patient was 38 weeks  and 6 days pregnant at the time of the vaccination. No other medical history reported. Patient was taking prenatal vitamins. and concomitant medications reported. No smoking history, allergy, alcohol intake, and drug abuse were reported.  Around 8 hours after receiving the vaccine, the patient experienced fever, chills and tachycardia. The baby was noted to have tachycardia too. Patient was brought tp the hospital and platelet was noted to be low (98,000 and 92,000, units not specified) as well as the WBC count (11, units nos specified). The fetal heart rate was monitored. Decelarations were noted during monitoring. Labor was eventually induced when the baby's heart rate returned to normal.  The information provided precludes a meaningful medical assessment. Additional information requested.