Thyroid stimulating hormone is 0.1μmol/L in early pregnancy, not necessarily hyperthyroidism. Hyperthyroidism, also known as hyperthyroidism, is a group of hypermetabolic clinical syndromes caused by the thyroid gland synthesizing and releasing too much thyroid hormone. Thyroid stimulating hormone (TSH) is found to be lowered in thyroid function tests, with a normal range of 0.27-4.2 μmol/L. The normal range is 0.27-4.2 μmol/L.
Physiologic changes can occur in early pregnancy, with an increase in chorionic gonadotropin, which is structurally similar to TSH, so that an increase in chorionic gonadotropin suppresses the level of TSH, even to a relatively low level of 0.01 μmol/L. An increase in the level of estrogen can also be observed, resulting in physiologic, transient, pregnancy-associated hyperthyroidism.
If TSH 0.1μmol/L is found, it should be combined with the presence of symptoms of hyperthyroidism, such as fear of heat, excessive sweating, hand tremors, panic attacks, weight loss, etc. At the same time, antibodies to thyroid stimulating hormone receptors and other thyroid autoantibodies will be measured, to help make a definitive diagnosis of whether hyperthyroidism is present.
Many pregnant women with low TSH levels in early pregnancy are suffering from physiological transient pregnancy-related thyrotoxicosis. Doctors will recommend regular checkups and nutritional support, and as the weeks of pregnancy continue to change, the lowered TSH often returns to normal.
If abnormal thyroid function is detected in the early stages of pregnancy, it is necessary to go to the hospital immediately and seek treatment under the guidance of a doctor.