my newborn baby girl is about 3 months now. we had her checked for throid disorders as i had hyperthyroid and was treated with medication through pregnancy. first results were TSH 2.78 , free T3 is 7,free T4 is 2 these test was taken 7 days from birth we rechecked after 2 months, results are TSH 2.38, FREE T3 is 5.7, Free T4 is 1.6 what does these results mean and should she be taking any medication?