Currently 33 wks and I have started swelling from my feet and ankles. Part of my job duties as a supervisor is to go in "route rides" but since I am pregnant I can follow the driver around instead of getting in and out of a delivery truck. Now my only issue is the weather (south Texas) and the uncomfortability doing this task. My legs hurt at the end of a regular work day. I can't imagine following these drivers and being out in the hot sun. I don't want to end up having early labor. What should I do? Call HR?