Romanian  Journal of  Diabetes
Nutrition  and  Metabolic  Diseases

 
 

Review - THE TREATMENT OF HYPOTHYROIDISM IN PREGNANCY - ABSTRACT

Authors: Rucsandra Dănciulescu Miulescu 1,2, Andrada Doina Mihai 1,2
1 "Carol Davila" University of Medicine and Pharmacy, Bucharest 2 "N.C.Paulescu" National Institute of Diabetes, Nutrition and Metabolic Diseases, Bucharest

Hypothyroidism is a pathologic condition generated by the thyroid hormone deficiency. The American Thyroid Association advises for the screening of hypothyroidism beginning at 35 years and thereafter every 5 years in people at high risk for this condition: females older than 60 years, pregnant women, patients with other autoimmune disease or patients with a history of neck irradiation. In pregnant women, hypothyroidism can been associated with adverse effect for both mother and child. The „Guidelines of the American Thyroid Association for the Diagnosis and Management of Thyroid Disease During Pregnancy and Postpartum” recommends the treatment of maternal overt hypothyroidism: females with a thyrotropin (TSH) level higher than the trimester-specific reference interval and decreased free thyroxine
FT4), and females for which TSH level is higher than 10.0 mIU/L, irrespective of the FT4 value, with administration of oral levothyroxine. The goal of treatment of maternal overt hypothyroidism is to bring back the serum TSH values to the reference range specific for the pregnancy trimester. The Guidelines of the „European Thyroid Association for the Management of Subclinical Hypothyroidism in Pregnancy and in Children” recommends treatment of pregnancy associated subclinical hypothyroidism with the following levothyroxine doses: „1.20 μg/kg/day for TSH≤4.2 mU/l, 1.42 μg/kg/day for TSH >4.2-10 and 2.33 μg/kg/day for overt hypothyroidism". The „Guidelines of the American Thyroid Association for the Diagnosis and Management of Thyroid Disease During Pregnancy and Postpartum” and the „European Thyroid Association for the Management of Subclinical Hypothyroidism in Pregnancy and in Children” do not recommend the treatment of isolated hypothyroxinemia in pregnancy.

Key words: screening of thyroid dysfunction, hypothyroidism, pregnant women

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