Thyroid gland
Post-partum thyroiditis

Author: Shahidul Islam, M.D., Ph.D. (see Authors page)

Revised: 13 January 2017, last major update March 2009

Copyright: (c) 2003-2017,, Inc.

PubMed Search: post-partum thyroiditis
Cite this page: Post-partum thyroiditis. website. Accessed July 17th, 2018.
Definition / general
  • Autoimmune thyroiditis occurring within one year after delivery
  • Painless enlargement of thyroid, transient thyrotoxicosis, low radioactive iodine uptake, late hypothyroid phase
  • Resembles chronic lymphocytic thyroiditis with increase in B cells and decrease in suppressor T cells
Clinical features
  • May have antimicrosomal (antithyroid peroxidase) antibodies
Gross description
  • Mild enlargement, no nodules
Microscopic (histologic) description
  • Lymphocytic infiltration with variable disruption of thyroid glands
Differential diagnosis