As you know from this article a normal TSH range depending on the lab is around 0.5 to 5.0 which is why your TSH of 4.46 was determined normal, however the very fact that your first TSH test showed up 6.49 should be reason to investigate further.
Liver Ultrasound Preparation guidelines. 1  Do not drink or eat at least 6 hours before the test. 2  On the day before the test, do not eat â fresh fruits and vegetables, fried and oily food, milk, eggs, bread. 3  What you should eat â cooked vegetables, puree, marmalade, honey, roasted bread, soup, and rice.
I have never heard that you mustn't eat prior to a pregnancy ultrasound and certainly the website makes no mention of it. If an early ultrasound is being performed the bladder should be full to enable the uterus to be seen more clearly, but other than this no regimen is necessary. ****I am not the person(s) or related to the person(s) who answered the first two paragraphs. Not every abdominal ultrasound is for pregnancies - there are many other reasons.