A member asked:

I am 28f. i am having normal t3 (liothyronine) and t4 levels but tsh is 18.6. what will be the effect of this? i have pcos from my starting of menses

3 doctors weighed in across 2 answers
Dr. Paul Kaplowitz answered

Specializes in Pediatric Endocrinology

Need to follow it: You probably don't have any thyroid-related symptoms because T4 and T3 (liothyronine) are normal but your elevated TSH suggests your thyroid may be starting to fail. If that is true, repeating your thyroid tests in 3-4 months may show a lower T4 (T3 (liothyronine) (liothyronine) is not helpful) and a higher TSH, in which case your doctor should start you on thyroid hormone. Don't think this relates to your PCOS

Answered 9/20/2016

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Dr. Gerald Mandell answered

Specializes in Nuclear Medicine

Hypothyroid?: While screening patients for thyroid disease, physicians often find increased (TSH) levels in patients with free thyroxine (T4) levels are not below normal. “Subclinical hypothyroidism,” most commonly an early stage of hypothyroidism. On average, women with PCOS have higher TSH levels and are also more likely to have subclinical hypothyroidism when compared to age-matched controls without PCOS.

Answered 11/28/2017

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