Postpartum thyroiditis classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sunny Kumar MD [2]
Overview
There is no established system for the classification of postpartum thyroiditis (PPT) but it may be classified according to clinical course into three groups: transient hyperthyroidism, classic triphasic, and transient or permanent hypothyroidism.
Classification
- Postpartum thyroiditis (PPT) may be classified according to clinical course into three groups:[1]
- Transient hyperthyroidism: This occurs in 20-30% of cases of PPT, in which patients have symptoms of hyperthyroidism and increased levels of T3 and T4 appearing around second postpartum month. Transient hyperthyroidism stays for about two months and normal thyroid levels can be seen around eighth postpartum month.[2]
- Classic triphasic : This occurs in 25-40% of cases of PPT, in which patients have symptoms of hyperthyroidism and increased levels of T3 and T4 appearing around second postpartum month and stays for about two months followed by hypothyroidism and then a return to normal thyroid hormone levels at eighth postpartum month is seen.[3]
- Transient or permanent hypothyroidism: This occurs in 40% of cases of PPT, in which patient has symptoms of hypothyroidism and decreased levels of T3 and T4 appearing around second postpartum months and stays about two months and retains normal levels at eighth postpartum month. However, some cases may remain hypothyroid for life.[4]
References
- ↑ Samuels MH (2012). "Subacute, silent, and postpartum thyroiditis". Med Clin North Am. 96 (2): 223–33. doi:10.1016/j.mcna.2012.01.003. PMID 22443972.
- ↑ Hayslip CC, Fein HG, O'Donnell VM, Friedman DS, Klein TA, Smallridge RC (1988). "The value of serum antimicrosomal antibody testing in screening for symptomatic postpartum thyroid dysfunction". Am J Obstet Gynecol. 159 (1): 203–9. PMID 3394739.
- ↑ Hayslip CC, Fein HG, O'Donnell VM, Friedman DS, Klein TA, Smallridge RC (1988). "The value of serum antimicrosomal antibody testing in screening for symptomatic postpartum thyroid dysfunction". Am J Obstet Gynecol. 159 (1): 203–9. PMID 3394739.
- ↑ Hayslip CC, Fein HG, O'Donnell VM, Friedman DS, Klein TA, Smallridge RC (1988). "The value of serum antimicrosomal antibody testing in screening for symptomatic postpartum thyroid dysfunction". Am J Obstet Gynecol. 159 (1): 203–9. PMID 3394739.