I completely understand your concerns as I have experienced them myself. I work with the public every day as well as a team of about 15 people. I had mostly worn formfitted clothes through my life and I began slowly changing to more conventional and looser fitting shirts with tight tshirts underneath. I have been on HRT now for been 9 months and have experienced a noticeable increase in my breast size that would certainly be noticeable to anyone. I wish you all the best in your work situation and in your transition.