Thyroid disease in pregnancy is a common clinical problem. Since the guidelines for the management of these disorders by the American Thyroid Association (ATA) were first published in 2011, significant clinical and scientific advances have occurred in the field. A major and substantial change in the new guidelines includes raising the upper limit in the normal thyroid function tests. For Thyroid Stimulating Hormone (TSH), the upper limit was 2.5 mU/L in the 2011 guidelines. Normal upper limit in...