Snapshot A 25-year-old G1P0 woman at 36 weeks of gestation presents to the emergency department after a motor vehicle crash. She was wearing her seatbelt when another vehicle crashed into her car's rear-end. The airbag did not deploy, but the patient denies any pain or discomfort. Her blood pressure is 110/80 mmHg, pulse is 115/min, respirations are 24/min, and SaO2 is 96% on RA. Fetal monitoring reveals contractions every 10 minutes the pulse is 165/min. One hour later, the nurse notices that the patient's bedsheet is soaked with blood. Transabdominal and transvaginal ultrasound reveal placenta previa. One liter of normal saline is infused through a large-bore IV, a type and cross sample is obtained, and RhoGAM is prepared as the patient is rushed to the OR for emergent delivery. Introduction Overview login to view 6 more bullets Epidemiology Incidence login to view 1 more bullet Risk factors login to view 2 more bullets ETIOLOGY Pathophysiology login to view 11 more bullets Presentation Symptoms login to view 1 more bullet Physical exam login to view 2 more bullets Imaging Ultrasound login to view 2 more bullets Studies Kleihauer-Betke test login to view 4 more bullets Treatment Medical login to view 32 more bullets Complications Placental abruption login to view 5 more bullets Exsanguination login to view 2 more bullets Retroperitoneal hemorrhage login to view 1 more bullet Rupture of amniotic membranes login to view 1 more bullet Prognosis 60-70% of fetal losses after trauma are a result of minor traumatic injuries