Work is more stressful, which leads to greater turn over. Many employers request Medical Office Assistant training, strong computer office tool skills and prefer experience. Usually better wage and employment opportunities for 'specialized' secretarial areas such as medical - compared to general secretarial work. Requires broad base of general transferable skills e.g. organizational, computer, and time management. Traditional word processing not as much in demand with the proliferation PCs and easy to use office tools.
Most opportunities result from turnover, rather than growth.
However, once you have your 'foot in the door', there are good opportunities to move up the job ladder, depending on your skill base. Tendency to part time, or temporary positions. Entry level position with opportunity to advance. Can be stiff employment competition. Better opportunities if you have strong computer skills and are flexible to performing a variety of job tasks.