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Akush Ginekol (Sofiia). 2015;54(3):3-8.

[Characteristics of postpartum thyroid dysfunction].

[Article in Bulgarian]

Abstract

INTRODUCTION:

The risk factors and mechanisms for the development of postpartum thyroid dysfunction have been widely discussed. However data on patients suffered spontaneous or induced abortion during early pregnancy are scarce.

OBJECTIVE:

To reveal the characteristics of thyroid dysfunction in women after an abortion in the first trimester of pregnancy.

PATIENTS AND METHODS:

A total of 28 women (18 euthyroid, 10 with thyroid dysfunction), mean age 30.46 ± 1.01 years following abortion in the first trimester have been included in the study. Thyroid-stimulating hormone (TSH), free triiodthyronine (FT3), free thyroxine (FT4), thyreoglobulin antibodies (TgAb), thyroid peroxidase antibodies (TPOAb) were measured and ultrasound assessment of the thyroid was performed 3 and 9 months after the interruption of pregnancy.

RESULTS:

Hypothyroidism was found in 6 of the women with thyroid dysfunction and thyrotoxicosis--in 4. Clinical features of thyroid dysfunction were observed in 3 patients while in the remaining 7 cases, diagnosis was made on the basis of hormonal levels. Positive titers of thyroid autoantibodies were detected in the majority of the cases with functional disordes. In 6 patients thyroid dysfunction was transient and in 4 hormonal abnormalities persisted on by the 9th month after the abortion. The comparative analysis showed that the volume of the thyroid gland and the degree of hypoehogenicity were significantly higher in patients with thyroid dysfunction compared to euthyroid women.

CONCLUSION:

Thyroid dysfunction after abortion in the first trimester is mainly of autoimmune pathogenesis and its characteristics do not differ from those of postpartum thyroiditis. In the majority of patients these disorders are subclinical and may remain unrecognized. A close active follow up of patients at increased risk of functional thyroid disorders after an abortion is required in order to prevent morbidity and identify the cases developing permanent thyroid dysfunction.

PMID:
26137772
[Indexed for MEDLINE]

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