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    עמוד בית
    Mon, 07.04.25

    Original Articles

    IMAJ | volume 16

    Journal 9, September 2014
    pages: 564-567

    Point Prevalence of Abnormal Thyroid-Stimulating Hormone during the First Trimester of Pregnancy in Israel

      Full article (PDF)

      Summary

      Background:

      The prevalence of thyroid dysfunction in early pregnancy in Israel is not known.

      Objectives:

      To assess the rate of abnormal thyroid-stimulating hormone (TSH) tests in low risk pregnant women attending a community clinic in Israel.

      Methods:

      We conducted a retrospective analysis of the charts of low risk pregnant women (n=303) who had undergone a TSH screening during the first trimester of pregnancy at Clalit Health Services Women's Health Centers in Ashkelon and Tel Aviv. The TSH normal range during first trimester was considered to be 0.1–2.5 mIU/L.

      Results:

      The TSH levels ranged from 0.04 to 13.3 mIU/L (median 1.73 mIU/L, mean 1.88 mIU/L). The rate of abnormal TSH was 25.6%, with low TSH 2.3% and high TSH 23.4%. The prevalence of abnormal TSH was not influenced by gravidity (primigravidas versus multigravidas) or place of residence (Ashkelon or Tel Aviv).

      Conclusions:

      In view of the high prevalence of abnormal TSH (25.6%) in pregnant women in Israel during the first trimester, a universal country-wide screening should be considered.

      Full article (PDF)
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