Abstract
Objective: Review and Highlight the complications of Hashimoto's Thyroid during pregnancy, by addressing the repercussions for the fetus and the pregnant woman; pathophysiology, diagnosis and treatment of the disease. Literature review: Hashimoto's thyroiditis is chronic and autoimmune, associated with gland hypofunction, characterized by the production of thyroid autoantibodies. It is diagnosed through a laboratory, symptomatological and histopathological analysis and treated through changes in eating habits. Pharmacological treatment is supported by the use of levothyroxine (L-T4). In pregnant women with the disease, increased risks of pre-eclampsia, premature displacement of the placenta, anemia, postpartum hemorrhage, prematurity, among other things. In addition, in relation to the neonate, there is a greater risk of respiratory distress syndrome, low birth weight and growth retardation, among other repercussions throughout life. Final considerations: In order to minimize morbidity and mortality, further research is needed to correlate the anatomy and dysfunction of the gland with the prognosis of Hashimoto's thyroiditis, especially in pregnant women.