Figure 2c. Images in 30-year-old woman in the first trimester of pregnancy who was involved in a rollover automobile crash. After the initial US examination, she was taken directly to the operating room for repair of colon and liver lacerations. (a) Longitudinal US image of hepatorenal fossa shows free fluid (arrow). (b) Longitudinal US image of lower left paracolic gutter reveals free fluid (FF). (c) Transverse US image of pelvis shows free fluid anterior (FF) and posterior (arrow) to the uterus (U).