I'm just waiting for the results of my TSH scan to come in. I figure I might have have a slightly underactive thyroid. I asked the doc why he hadn't checked off T3+T4 on the test requisition and he said it was unecessary and TSH would tell if there is a problem. He also told me that since I don't have typical side effects of dry skin, clammy palms, constipation etc., it is unlikely.... The main reason I figured I would get a test is because my body temperature seems to be 95.5 (waking) and average 96.5 through the day.