Subclinical Hypothyroidism in Pregnancy: Link to Premature D
DENVER – Pregnant women with subclinical hypothyroidism show 50% higher rates of premature delivery, but not other complications, compared with those with normal thyroid function, according to a new research presented here at the American Thyroid Association (ATA) 2016 Annual Meeting.

And in a separate small study also reported at the meeting, those with subclinical hypothyroidism treated during pregnancy showed reductions in some complications.

Lead author of the first study, Sun Y Lee, MD, of department of endocrinology at the Boston University School of Medicine, Massachusetts, told Medscape Medical News: "Our finding of increased prematurity in offspring of mothers with elevated thyroid-stimulating hormone [TSH] during pregnancy adds to the evidence potentially advocating for thyroid-function testing in pregnant women."

http://www.medscape.com/viewarticle/869324
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