The topic is the new guidelines on hypothyroidism during pregnancy, from the American Thyroid Association and published in the journal Thyroid. Here is why it matters. Being pregnant can be a

Stagnaro-Green A, Abalovich M, Alexander E, et al. American thyroid association taskforce on thyroid disease during pregnancy and postpartum. guidelines of the American thyroid association for the diagnosis and management of thyroid disease during pregnancy and postpartum. Thyroid. 2011; 21 (10):1081-1125. [PMC free article] The guidance below was written by the British Thyroid Foundation (BTF) for patients with primary thyroid disease who are female and of reproductive age. The guidance is endorsed by the British Thyroid Association (BTA), and is based on currently available UK thyroid guidelines. The guidance is subject to further changes as guidelines are updated. The recommendations on the management of a pregnant woman with hyperthyroidism or subclinical hyperthyroidism are largely based on expert opinion in the consensus guideline UK guidelines for the use of thyroid function tests published by the Association of Clinical Biochemistry, the British Thyroid Association, and the British Thyroid Thyroid disorders are common in pregnancy and the most common disorder is subclinical hypothyroidism. Due to the complex hormonal changes during pregnancy, it is important to remember that thyroxine requirements are higher in pregnancy. According to recent American Thyroid Association (ATA Autoimmune Thyroid Disease and Miscarriage •Pregnant women with TSH ?2.5 mIU/L should be evaluated for TPO antibody status •All studies show increased miscarriage in women with thyroid antibodies and normal TSH •Majority of studies demonstrate an association between thyroid antibodies and recurrent miscarriage The Management of Thyroid Disease in Pregnancy INTRODUCTION Thyroid diseases are the commonest cause of endocrine dysfunction in women of childbearing age and, therefore, encou