Subclinical hypothyroidism in young women with polycystic ovary syndrome An analysis of clinical hormonal and metabolic parameters

Young women with polycystic ovary syndrome and subclinical hypothyroidism present higher serum levels of low-density lipoprotein cholesterol with no changes in other lipid profile parameters, insulin resistance, or phenotypic manifestations.

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Authors

Cristina Laguna Benetti-Pinto, M.D., Ph.D., Vanessa Ribeiro Santana Berini Piccolo, M.D., Heraldo Mendes Garmes, M.D., Ph.D., Cássia Raquel Teatin Juliato, M.D., Ph.D.

Volume 99, Issue 2, Pages 588-592, February 2013

Abstract

Objective:

To analyze of the relationship between selected clinical and metabolic parameters in young women with polycystic ovary syndrome (PCOS) and normal thyroid function or subclinical hypothyroidism (SCH).

Design:

A cross-sectional cohort study.

Setting:

Tertiary care setting.

Patients:

Women diagnosed with PCOS according to the Rotterdam criteria (n=168).

Interventions:

Clinical, hormonal and metabolic parameters were evaluated. SCH was defined as thyroid-stimulating hormone (TSH) levels of 4.5-10 mIU/L.

Main outcome measure:

Separately, PCOS and SCH exert adverse effects on metabolic parameters; however, in conjunction their effect is unclear. This study evaluated whether SCH in women with PCOS affects clinical, hormonal and metabolic parameters.

Results:

The mean age of the 168 women was 24±5.8 years. Mean body mass index was 33.4±8.2. Thyroid function was normal in 149 women, while 19 had SCH. Only serum LDL-c and PRL levels were significantly higher in the women with SCH (122.6±25.6 and 17.7±7.7) compared to those with normal thyroid function (105.6±33 and 14±10.3).

Conclusion:

In young women with PCOS, SCH is associated with higher LDL-c levels, albeit with no changes in other lipid profile parameters, insulin resistance or phenotypic manifestations. This study adds to current evidence supporting an association between PCOS and SCH.

Read the full text at: http://www.fertstert.org/article/S0015-0282(12)02306-0/fulltext


Fertility and Sterility

Editorial Office, American Society for Reproductive Medicine

Fertility and Sterility® is an international journal for obstetricians, gynecologists, reproductive endocrinologists, urologists, basic scientists and others who treat and investigate problems of infertility and human reproductive disorders. The journal publishes juried original scientific articles in clinical and laboratory research relevant to reproductive endocrinology, urology, andrology, physiology, immunology, genetics, contraception, and menopause. Fertility and Sterility® encourages and supports meaningful basic and clinical research, and facilitates and promotes excellence in professional education, in the field of reproductive medicine.

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