I'm going into the Air force. Does anyone know about diagnostic imagery?

Anyone who has this MOS and could give me some insight about the job, that would be great. I really want to do prenatal ultrasounds but I figure this will be a good foot in the door. I scored a 60 on the asvab. What medical jobs do you think that would qualify for? I don't have the individual break down of the categories, but I go to meps in 2 days so I would like to have time to research the possible jobs I qualify for.