 [ Symptoms ] why is an ultrasound needed after an x ray  i went home after an abd x ray for abd pain got a call from the facility to call back and schedule an us why would they need an us after the x ray [ Disease ] hi sarah ok just get to your doctor do a test there and its been since july ask for a scan to be done this way you will know for sure if you are pregnant this would save all the guessing hope it helps you good luck