Thyroid & parathyroid


Post-partum thyroiditis

Topic Completed: 2 March 2009

Minor changes: 16 September 2020

Copyright: 2003-2021,, Inc.

PubMed Search: post-partum thyroiditis

Shahid Islam, M.D., Ph.D.
Page views in 2020: 274
Page views in 2021 to date: 321
Cite this page: Islam S. Post-partum thyroiditis. website. Accessed December 3rd, 2021.
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
Back to top
Image 01 Image 02