Providers may consider obtaining TSH levels at 6 to 12 weeks and 3 to 6 months postpartum for patients at high risk for postpartum thyroiditis, such as those with T1DM or previous postpartum thyroiditis.19 During management of the hyperthyroid phase of postpartum thyroiditis—which is typically caused by autoimmune destruction of the thyroid resulting in release of stored thyroid hormone—antithyroid medications are not beneficial. Here, TG is linked to thyroiditis.