Hyperthyroidism and pregnancy

Marx, Helen
Amin, Pina
Lazarus, John H

¹ Department of Obstetrics, University Hospital of Wales, Cardiff CF14 4XN
² Centre for Endocrine and Diabetes Sciences, University Hospital of Wales, Cardiff

Contributors: JHL was responsible for the development and overall writing of the article, assisted by HM. PA contributed obstetric input and helped to edit the article. JHL is the guarantor.

Competing interests: None declared.

Provenance and peer review: Commissioned; externally peer reviewed.

Correspondence to: J H Lazarus, [email protected]

doi:10.1136/bmj.39462.709005.AE

BMJ 336(7645):p 663-667, March 22, 2008.

Pregnant women with hyperthyroidism need careful management as some may be at increased risk of fetal loss, pre-eclampsia, heart failure, premature labour, and having a low birth weight baby