Final answer:
MRI uses a magnetic field and radiofrequency pulses to create computer images of bones and soft tissue in multiple planes. It is a safer option for imaging during pregnancy compared to CT scans and X-rays.
Step-by-step explanation:
The imaging method described in the question is magnetic resonance imaging (MRI).
MRI uses a magnetic field and radiofrequency pulses to create computer images of bones and soft tissue in multiple planes.
Unlike CT scans and X-rays, MRI does not use ionizing radiation, making it a safer option for imaging during pregnancy.