If you have any interest in thyroid and pregnancy, this looks like a "must read" article.
Only two bits are quoted below - go to the full article for more. (The underlined bit is my emphasis.) I felt it would not be right to copy the whole text.
Thyroid Disorder May Mean Tough Pregnancy
By Kristina Fiore, Staff Writer, MedPage Today
Published: May 29, 2013
Reviewed by Robert Jasmer, MD; Associate Clinical Professor of Medicine, University of California, San Francisco and Dorothy Caputo, MA, BSN, RN, Nurse Planner
"Our results indicate that thyroid diseases are associated with significant increases in morbidity during pregnancy," they wrote. However, they cautioned that they lacked information on treatment during pregnancy and thus were "unable to explore whether inadequate treatment was the cause or whether some of the risk is due to thyroid disease itself."
Thyroid diseases, and hypothyroidism in particular, increase the risk for problematic pregnancy outcomes.
Point out that the study lacked information on treatment during pregnancy and the authors were unable to determine whether the pregnancy-related complications were due to inadequate treatment or from the thyroid disease itself.
(I am not sure if registration is required. If so, it will be free.)
My second ever blog here was on the increased likelihood of breech presentation in hypothyroidism. Somewhat surprisingly that is not mentioned in the above article.That blog is here: