madam, my wife 6 weeks pregnant( age is 36, weight is 55, height is 5 .5 ) she gone through thyroid test with empty stomach, in reports TSH is 7.0, T3 & T4 are normal, so, docter suggested thyronorm 12.5mcg tablets. now she is using this tablet daily from last week. so my question is, is this dosage 12.5mcg is enough to control the thyroid? and when should she can go for next thyroid test to check thyroid levels? pls give me the reply. thank you madam