期刊
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
卷 97, 期 9, 页码 3115-3122出版社
ENDOCRINE SOC
DOI: 10.1210/jc.2012-1193
关键词
-
资金
- National Health and Medical Research Council (NHMRC) [632653, 457078, 632955]
Context: High serum levels of TSH have been associated with adverse pregnancy outcomes by some studies, and not by others. Objective: The aim of the study was to assess the association between high levels of TSH in the first trimester of pregnancy and adverse pregnancy outcomes; and to examine the predictive accuracy as a screening test. Setting and Participants: Serum levels of TSH were measured in a cohort of 2801 women with a singleton pregnancy attending first trimester Down syndrome screening. Information on maternal and infant outcomes was obtained through record linkage to population-based birth and hospital data. Association between high TSH (>95th and >97.5th centiles) multiple of the median levels, and risk of adverse pregnancy outcomes was evaluated using multivariable logistic regression, and the predictive accuracy of models was assessed. Main Outcomes: Rates of infants being small for gestational age (SGA), preterm birth, preeclampsia, miscarriage, and stillbirth were investigated. Results: High TSH multiple of the median levels were associated with SGA (<10th centile) [adjusted odds ratio (aOR), 1.71; 95% confidence interval (CI), 0.99-2.94]; preterm birth at less than 37 wk gestation (aOR, 2.59; 95% CI, 1.21-5.53); miscarriage (aOR, 3.66; 95% CI, 1.59-8.44); and a composite measure of any study outcome (aOR, 2.10; 95% CI, 1.23-3.59). The area under the receiver operator characteristic curves were 0.69 (95% CI, 0.65-0.73) for SGA; 0.56 (95% CI, 0.51-0.61) for preterm birth; 0.70 (95% CI, 0.61-0.79) for miscarriage; and 0.63 (95% CI, 0.60-0.65) for any adverse pregnancy outcome. Conclusions: High TSH serum levels during the first trimester of pregnancy were associated with adverse pregnancy outcomes; however, the predictive accuracy was poor. Screening for high TSH levels in the first trimester would be of no benefit to identify women at risk. (J Clin Endocrinol Metab 97: 3115-3122, 2012)
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