Dear Sir | Ma'am, I'm 23 years old, Female. I'm pregnant since 5 months. Since the start of my pregnancy doctor didn't advised to do the thyroid test and on my fifth month due to shift in the location the other doctor had suggested me to take thyroid test and my values where T3 1.36ng\dl, T4 - 7.69 ng \ dl and TSH - 5.420 uiU\ml. So the doctor said it is quite high in your fifth month so prescribed throform 50 mcg. I heard the first trimester baby totally depends upon mom for his\her thyroid. So does my thyroid level would have impacted my babies brain? My query is how often the thyroid range elevates? Since during my fifth month it found to be 5.420 so approximately how much it could have been in my first trimester?