Question: can tsh levels indicate pregnancy?
Answer: Generally, below-normal levels of TSH indicate hyperthyroidism. However, low TSH levels may also occur in a normal pregnancy, especially in the first trimes- ter, due to the small increase in thyroid hormones from HCG. T3 and T4 test. If TSH levels are low, another blood test is performed to mea- sure T3 and T4.