Hey, could anyone offer any advice please? My daughter (5) had some bloods done last month and her thyroid bloods have come back abnormal. I was initially told over the phone they were 'borderline' and needed to be repeated in 3-6 months. I asked which test and was told it was T4 at 11.4. I asked for a print out of the results, collected them and it's actually her TSH that's come back at 0.08, below range. Their normal range is 0.7-4.5 (I know the optimum range is different). That's a massive difference. Her T3 and T4 are within their normal limits. My mum, sister and nan all have an underactive thyroid and last time mine was checked it was 3.5 but I have no knowledge of levels being low, especially in children. What could this mean for her long term? What do I look out for?