First Time Parent

So my youngest daughter was running a very low fever for a week. ok, it was 99 something. varying a little bit here and there but pretty much solidly in the not yet 100 range. well, for us that is a little fever as all four of the older becksforts tend to run around 97 something. So I finally decide I should call the doctor to see if it's something I should be concerned about because it had been a whole week. The doctor promptly conveys to me that I should quit taking her temperature. It's hot outside.