two months ago my thyroid function test result was as follows-- t3 142.0,t4 7.7, tsh 9.24. doctor prescribe me thyronorm 25 mcg daily. now my t3 138.5,t4 9.6,tsh 4.07. is the thyroid level normal? will i continue the medicine with same dose?why I cant find any difference in my weight? is this thyroid level is ok for conceiving?.my age 29.my BMI is 28.5.