Dr. Zakia Dimassi,
- Low serum TSH concentrations (<0.5 mU/L) with normal serum free thyroxine (T4) and triiodothyronine (T3) concentrations is defined as subclinical hyperthyroidism. The term overt hyperthyroidism ref... Read More
Dr. Salim Saab,
- Low TSH and normal free t3 and free t4 means mild (Subclinical) hyperthyroidism. It could affect your baby which is why you should contact your gynecologist for follow-ups.