That's not really an issue until you become pregnant enough for the casual observer to notice. (Which apparently is today. I've had four people I don't know ask me when I'm due since I got to work).
Now, I'm basically the embodiment of every student's worst fears. You can see the terror in their eyes when I walk past.
It's even worse with the groups of high school seniors and their parents here for campus visits, especially the ones with girls.
In good news, I have a design idea for a maternity t-shirt.
Not that I think you need all those things. I just think it might make dads with 17 year old daughters feel a little better.