IMR Press / CEOG / Volume 45 / Issue 1 / DOI: 10.12891/ceog3759.2018

Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 46 Issue 1 (2019). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with S.O.G.

Open Access Original Research
Hypothyroidism among subfertile women
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1 Reproductive Endocrine and Infertility Medicine Department (REIMD), Women's Specialized Hospital, King Fahad Medical City, Riyadh, Saudi Arabia
Clin. Exp. Obstet. Gynecol. 2018, 45(1), 63–67; https://doi.org/10.12891/ceog3759.2018
Published: 10 February 2018
Abstract

Introduction: Association between hypothyroidism and infertility has been demonstrated, but its prevalence in subfertile women is not well documented. Objective: To estimate the prevalence of hypothyroidism in a cohort of subfertile women. Materials and Methods: Retrospective chart of 200 women aged 17 to 40 years with infertility attending the Reproductive Endocrine and Infertility Medicine Department between April 2008 and October 2010 was reviewed. Rate of established or newly diagnosed hypothyroidism was measured, as well as the associations between TSH > 4.2 mIU/L and patient characteristics, causes of infertility, and laboratory parameters. Results: Fourteen percent had established and 14.5% had newly diagnosed hypothyroidism. Subclinical hypothyroidism was determined for 42 (21%) women. Hypothyroidism associated significantly with both increased LH and anovulatory related infertility: LH (8.49 IU/L vs. 6.86 IU/L; p = 0.036) and anovulation in 47.8% vs. 27.3% (p = 0.009) of women with TSH > 4.2 mIU/L and TSH ≤ 4.2 mIU/L, respectively. Conclusion: This study confirms an association between hypothyroidism and infertility and highlights the need to check thyroid hormone levels prior to infertility treatment.
Keywords
Hypothyroidism
Infertility
Retrospective
Prevalence
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