A 30-year-old pregnant woman in her third trimester is involved in a motor vehicle collision and presents with hypotension, tachycardia, and abdominal pain. What is the MOST appropriate initial intervention for this patient?
Administer intravenous fluids to manage hypotension.
Provide high-flow oxygen to ensure adequate oxygenation for both mother and fetus.
Assess the fetal heart rate using a Doppler.
Position the patient in the left lateral decubitus position.