tsh is a thyroid-promoting hormone, a hormone secreted by the pituitary gland that promotes the growth and secretion of the thyroid gland. The tsh level can generally be determined by measuring the human serum thyrotropin. tsh is high because it is caused by hypothyroidism. This is a secretory disease that develops when too little thyroid hormone is secreted and also causes hypoproteinemia, a condition that needs to be taken seriously or it will gradually develop and cause effects on other parts of the body. tsh high has an effect on pregnancy because there is a certain range of tsh values, and if they are high or low they are abnormal. The normal value of tsh is 0.270 to 4.200. If it is higher than this range, if it is considered to be caused by subacute thyroiditis, you can have your thyroid autoantibody test and ultrasound to confirm the diagnosis. Treatment. For the treatment of thyroid disease, you need to go to a regular hospital for examination and treatment, and you need to be examined while being treated.